256264 has 16 divisors (see below), whose sum is σ = 486720. Its totient is φ = 126480.

The previous prime is 256219. The next prime is 256279. The reversal of 256264 is 462652.

It is a nialpdrome in base 8.

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, 669 + ... + 979.

It is an arithmetic number, because the mean of its divisors is an integer number (30420).

2²⁵⁶²⁶⁴ is an apocalyptic number.

It is an amenable number.

256264 is a deficient number, since it is larger than the sum of its proper divisors (230456).

256264 is a wasteful number, since it uses less digits than its factorization.

256264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 416 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 256264 is about 506.2252463084. The cubic root of 256264 is about 63.5178613445.

The spelling of 256264 in words is "two hundred fifty-six thousand, two hundred sixty-four".