256346675 has 24 divisors (see below), whose sum is σ = 343165536. Its totient is φ = 188835840.

The previous prime is 256346669. The next prime is 256346683. The reversal of 256346675 is 576643652.

It is a happy number.

It is not a de Polignac number, because 256346675 - 2⁴ = 256346659 is a prime.

It is a Duffinian number.

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, 186842 + ... + 188208.

It is an arithmetic number, because the mean of its divisors is an integer number (14298564).

Almost surely, 2^256346675 is an apocalyptic number.

256346675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256346675 is a deficient number, since it is larger than the sum of its proper divisors (86818861).

256346675 is a wasteful number, since it uses less digits than its factorization.

256346675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1962 counting only the distinct ones).

The product of its digits is 907200, while the sum is 44.

The square root of 256346675 is about 16010.8299285203. The cubic root of 256346675 is about 635.2469124725.

The spelling of 256346675 in words is "two hundred fifty-six million, three hundred forty-six thousand, six hundred seventy-five".