257262056 has 16 divisors (see below), whose sum is σ = 497927040. Its totient is φ = 124481520.

The previous prime is 257262043. The next prime is 257262079. The reversal of 257262056 is 650262752.

257262056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518426 + ... + 518921.

It is an arithmetic number, because the mean of its divisors is an integer number (31120440).

Almost surely, 2^257262056 is an apocalyptic number.

It is an amenable number.

257262056 is a deficient number, since it is larger than the sum of its proper divisors (240664984).

257262056 is a wasteful number, since it uses less digits than its factorization.

257262056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037384 (or 1037380 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 257262056 is about 16039.3907614971. The cubic root of 257262056 is about 636.0021425768.

The spelling of 257262056 in words is "two hundred fifty-seven million, two hundred sixty-two thousand, fifty-six".