256883258 has 8 divisors (see below), whose sum is σ = 387478080. Its totient is φ = 127723900.

The previous prime is 256883219. The next prime is 256883279. The reversal of 256883258 is 852388652.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 358418 + ... + 359133.

It is an arithmetic number, because the mean of its divisors is an integer number (48434760).

Almost surely, 2^256883258 is an apocalyptic number.

256883258 is a deficient number, since it is larger than the sum of its proper divisors (130594822).

256883258 is a wasteful number, since it uses less digits than its factorization.

256883258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717732.

The product of its digits is 921600, while the sum is 47.

The square root of 256883258 is about 16027.5780453567. The cubic root of 256883258 is about 635.6898349846.

The spelling of 256883258 in words is "two hundred fifty-six million, eight hundred eighty-three thousand, two hundred fifty-eight".