256281675 has 24 divisors (see below), whose sum is σ = 456314544. Its totient is φ = 126168960.

The previous prime is 256281643. The next prime is 256281689. The reversal of 256281675 is 576182652.

256281675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 256281675 - 2⁵ = 256281643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130452 + ... + 132401.

It is an arithmetic number, because the mean of its divisors is an integer number (19013106).

Almost surely, 2^256281675 is an apocalyptic number.

256281675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256281675 is a deficient number, since it is larger than the sum of its proper divisors (200032869).

256281675 is a wasteful number, since it uses less digits than its factorization.

256281675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262879 (or 262874 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 256281675 is about 16008.7999237919. The cubic root of 256281675 is about 635.1932162559.

The spelling of 256281675 in words is "two hundred fifty-six million, two hundred eighty-one thousand, six hundred seventy-five".