82256506 has 16 divisors (see below), whose sum is σ = 133683264. Its totient is φ = 37808064.

The previous prime is 82256501. The next prime is 82256507. The reversal of 82256506 is 60565228.

It is a super-2 number, since 2×82256506² = 13532265558656072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (82256501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26670 + ... + 29593.

It is an arithmetic number, because the mean of its divisors is an integer number (8355204).

Almost surely, 2^82256506 is an apocalyptic number.

82256506 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

82256506 is a deficient number, since it is larger than the sum of its proper divisors (51426758).

82256506 is a wasteful number, since it uses less digits than its factorization.

82256506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56325.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 82256506 is about 9069.5372539066. The cubic root of 82256506 is about 434.9006793107.

The spelling of 82256506 in words is "eighty-two million, two hundred fifty-six thousand, five hundred six".