256533364 has 12 divisors (see below), whose sum is σ = 472561600. Its totient is φ = 121515768.

The previous prime is 256533341. The next prime is 256533371. The reversal of 256533364 is 463335652.

It is a congruent number.

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, 1687644 + ... + 1687795.

Almost surely, 2^256533364 is an apocalyptic number.

It is an amenable number.

256533364 is a deficient number, since it is larger than the sum of its proper divisors (216028236).

256533364 is a wasteful number, since it uses less digits than its factorization.

256533364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375462 (or 3375460 counting only the distinct ones).

The product of its digits is 194400, while the sum is 37.

The square root of 256533364 is about 16016.6589524782. The cubic root of 256533364 is about 635.4010849854.

The spelling of 256533364 in words is "two hundred fifty-six million, five hundred thirty-three thousand, three hundred sixty-four".