*The number of hadiths imparting the tidings of the coming of the Mahdi: 657
*The number of hadiths stating that Hazrat Mahdi (as) is from the Ahl al-Bayt, that Hazrat Mahdi's (as) name is the same as that of the Messenger of Allah (saas) and that his patronymic is the same as his: 389
*The number of hadiths saying that Hazrat Mahdi (as) is he who most resembles the Messenger of Allah (saas): 48
*The number of hadith describing Hazrat Mahdi's (as) face and height: 21
*The number of hadith stating that Hazrat Mahdi (as) is “one of the sons of Ali (as)”: 214
*The number of hadith stating that Hazrat Mahdi (as) is "one of the children of Hazrat Fatima": 192
*The number of hadith saying that Hazrat Mahdi (as) will fill the world with justice: 123
*The number of hadiths saying that Hazrat Mahdi (as) will have two occultations: 10
*The number of hadiths saying that Hazrat Mahdi (as) will occult for a long time: 91
*The number of hadiths accounting for that occultation: 7
*The number of hadiths saying that people will benefit from Hazrat Mahdi (as) during the time of his occultation: 7
*The number of hadiths saying Hazrat Mahdi (as) will be long-lived: 318
*The number of hadiths saying Hazrat Mahdi (as) will be young-looking: 8
*The number of hadiths saying Hazrat Mahdi's (as) birth will be hidden: 14
*The number of hadiths saying that Hazrat Mahdi (as) will have no oath of allegiance to any (that he will be bound to no successor or anyone else, that he will be under the influence of no idea, group, sect or other political ideology): 10
*The number of hadiths saying he will intellectually defeat the deniers and cleanse the earth of ascribing partners to Allah: 19
*The number of hadiths saying Hazrat Mahdi (as) will make clear Allah's commandments, that he will spread Islamic moral values and (spiritually) rule the world: 47
*The number of hadiths saying Hazrat Mahdi (as) will encourage people to follow the Qur'an and the Sunnah: 15
*The number of hadiths saying Hazrat Mahdi (as) will intellectually neutralize the enemies of Allah with his knowledge: 4
*The number of hadiths saying Hazrat Mahdi (as) will have various Sunnah of the prophets: 23
*The number of hadiths saying Hazrat Mahdi (as) will appear with our Prophet's (saas) sword [in other words, the sacred relics of our Prophet (saas), his holy standard, sword and robe will be with Hazrat Mahdi (as)]: 7
*The number of hadiths about Hazrat Mahdi's (as) character and physical appearance: 30
*The number of hadiths about Hazrat Mahdi's (as) morals and taqwa: 4
*The number of hadiths about Hazrat Mahdi's (as) justice and the spread of security in his time: 7
*The number of hadiths about Hazrat Mahdi's (as) knowledge: 5
*The number of hadiths about Hazrat Mahdi's (as) generosity and charity: 13
*The number of hadiths saying "Almighty Allah will reveal the miracle of the prophets through the hand of Hazrat Mahdi (as) and he will have their legacies:" 5
*The number of hadiths saying Hazrat Mahdi (as) will appear after a fierce test: 24
*The number of hadiths saying Hazrat Mahdi (as) will lead Jesus, son of Mary, in prayer: 25
*The number of hadiths describing the features of Hazrat Mahdi's (as) coming: 12
*The number of hadiths about the situation and extent of the corruption and sin prior to the coming of Hazrat Mahdi (as): 37
*The number of hadiths about some of the portents of the coming of Hazrat Mahdi (as): 29
*The number of hadiths about a voice from the sky calling Hazrat Mahdi's (as) and his father's name: 27
*The number of hadiths concerning such matters as the high cost of living and increased levels of disease in the time before the coming of Hazrat Mahdi (as): 23
*The number of hadiths about the appearance of the Sufyan, the eclipse of the moon and similar matters: 38
*The number of hadiths about the emergence of the antichrist: 12
*The number of hadiths concerning where Hazrat Mahdi (as) will appear: 17
*The number of hadiths about Hazrat Mahdi's (as) spiritual conquest of East and West: 12
*The number of hadiths concerning all nations will gather round Islamic moral values during the time of Hazrat Mahdi (as): 7
*The number of hadiths about treasure and minerals being extracted from underground in the time of Hazrat Mahdi (as): 10
*The number of hadiths about the abundance from the Earth and sky in the time of Hazrat Mahdi (as): 12
*The number of hadiths concerning there being 313 people alongside Hazrat Mahdi (as): 25
*The number of hadiths about the Earth being filled with justice when Hazrat Mahdi (as) appears: 129
*The number of hadiths about the return of the Prophet Jesus (as) and his praying behind Hazrat Mahdi (as): 29
*The number of hadiths about Hazrat Mahdi's (as) (physical and intellectual) neutralization of the antichrist: 6
*The number of hadiths about Hazrat Mahdi's (as) intellectual struggle against and (physical and intellectual) neutralization of the Sufyan: 2
*The number of hadiths about public works in the time of Hazrat Mahdi (as): 5
*The number of hadiths about work becoming easier and minds attaining perfection in the century of Hazrat Mahdi (as): 7
*The number of hadiths about the virtues of Hazrat Mahdi's (as) companions: 14
*The number of hadiths about the strength ad might of Hazrat Mahdi's (as) companions: 5
*The number of hadiths about the duration of Hazrat Mahdi's (as) succession in the wake of his appearance: 18
*The number of hadiths concerning Hazrat Mahdi's (as) food, drink and clothing: 4
*The number of hadiths about Hazrat Mahdi's (as) calls to the people: 7
*The number of hadiths about the virtues of anticipating salvation: 23
*The number of hadiths about some of the duties of Hazrat Mahdi's (as) followers: 54
*The number of hadiths about appreciating Hazrat Mahdi (as) and adopting him as imam (spiritual leader): 10
*The number of hadiths about the virtues of those who believe in Hazrat Mahdi (as) during the time of his occultation: 23 (As-Saafi Al-Golpaygani, Muntakhab al-Asar, pp. 15-19)