256524 has 12 divisors (see below), whose sum is σ = 598584. Its totient is φ = 85504.

The previous prime is 256517. The next prime is 256541. The reversal of 256524 is 425652.

256524 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 256494 and 256503.

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, 10677 + ... + 10700.

It is an arithmetic number, because the mean of its divisors is an integer number (49882).

2²⁵⁶⁵²⁴ is an apocalyptic number.

It is an amenable number.

256524 is an abundant number, since it is smaller than the sum of its proper divisors (342060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256524 is a wasteful number, since it uses less digits than its factorization.

256524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21384 (or 21382 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 256524 is about 506.4819838849. The cubic root of 256524 is about 63.5393353739.

It can be divided in two parts, 256 and 524, that added together give a triangular number (780 = T₃₉).

The spelling of 256524 in words is "two hundred fifty-six thousand, five hundred twenty-four".