256122852 has 24 divisors (see below), whose sum is σ = 600659136. Its totient is φ = 84940128.

The previous prime is 256122847. The next prime is 256122883. The reversal of 256122852 is 258221652.

It is a happy number.

It is a super-2 number, since 2×256122852² = 131197830633227808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51808 + ... + 56535.

It is an arithmetic number, because the mean of its divisors is an integer number (25027464).

Almost surely, 2^256122852 is an apocalyptic number.

It is an amenable number.

256122852 is an abundant number, since it is smaller than the sum of its proper divisors (344536284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256122852 is a wasteful number, since it uses less digits than its factorization.

256122852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108547 (or 108545 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 256122852 is about 16003.8386645205. The cubic root of 256122852 is about 635.0619750618.

The spelling of 256122852 in words is "two hundred fifty-six million, one hundred twenty-two thousand, eight hundred fifty-two".