256612292 has 24 divisors (see below), whose sum is σ = 460871040. Its totient is φ = 124961760.

The previous prime is 256612289. The next prime is 256612313. The reversal of 256612292 is 292216652.

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, 36434 + ... + 42902.

It is an arithmetic number, because the mean of its divisors is an integer number (19202960).

Almost surely, 2^256612292 is an apocalyptic number.

It is an amenable number.

256612292 is a deficient number, since it is larger than the sum of its proper divisors (204258748).

256612292 is a wasteful number, since it uses less digits than its factorization.

256612292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731 (or 6729 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 256612292 is about 16019.1226975762. The cubic root of 256612292 is about 635.4662432343.

The spelling of 256612292 in words is "two hundred fifty-six million, six hundred twelve thousand, two hundred ninety-two".