795

795 = 3 x 5 x 53.

795 is a number whose sum of divisors is a fourth power (A006532): 1 + 3 + 5 + 15 + 53 + 159 + 265 + 795 = 1296 = 6⁴.

795 is the smallest multiple of 5 with a digit sum of 21 (A069534).

795 is the sum of seven positive fifth powers (A003352).

795 is a divisor of 23⁴ - 1.

795 has the representation 795 = 3⁶ + 66.

Source: What's Special About This Number?