256532524 has 24 divisors (see below), whose sum is σ = 469012320. Its totient is φ = 122542464.

The previous prime is 256532519. The next prime is 256532537. The reversal of 256532524 is 425235652.

It is a self number, because there is not a number n which added to its sum of digits gives 256532524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147162 + ... + 148894.

It is an arithmetic number, because the mean of its divisors is an integer number (19542180).

Almost surely, 2^256532524 is an apocalyptic number.

It is an amenable number.

256532524 is a deficient number, since it is larger than the sum of its proper divisors (212479796).

256532524 is a wasteful number, since it uses less digits than its factorization.

256532524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369 (or 3367 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 256532524 is about 16016.6327297594. The cubic root of 256532524 is about 635.4003914596.

The spelling of 256532524 in words is "two hundred fifty-six million, five hundred thirty-two thousand, five hundred twenty-four".