256532 has 12 divisors (see below), whose sum is σ = 456960. Its totient is φ = 125976.

The previous prime is 256517. The next prime is 256541. The reversal of 256532 is 235652.

It is a happy number.

256532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 256498 and 256507.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256532.

It is an unprimeable number.

256532 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308 + ... + 779.

It is an arithmetic number, because the mean of its divisors is an integer number (38080).

2²⁵⁶⁵³² is an apocalyptic number.

It is an amenable number.

256532 is a deficient number, since it is larger than the sum of its proper divisors (200428).

256532 is a wasteful number, since it uses less digits than its factorization.

256532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1148 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 256532 is about 506.4898814389. The cubic root of 256532 is about 63.5399958831.

The spelling of 256532 in words is "two hundred fifty-six thousand, five hundred thirty-two".