256332 has 24 divisors (see below), whose sum is σ = 613872. Its totient is φ = 83200.

The previous prime is 256313. The next prime is 256337. The reversal of 256332 is 233652.

It is a junction number, because it is equal to n+sod(n) for n = 256299 and 256308.

It is not an unprimeable number, because it can be changed into a prime (256337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (25578).

2²⁵⁶³³² is an apocalyptic number.

It is an amenable number.

256332 is an abundant number, since it is smaller than the sum of its proper divisors (357540).

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

256332 is a wasteful number, since it uses less digits than its factorization.

256332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 567 counting only the distinct ones).

The product of its digits is 1080, while the sum is 21.

The square root of 256332 is about 506.2924056314. The cubic root of 256332 is about 63.5234790312.

Adding to 256332 its reverse (233652), we get a palindrome (489984).

The spelling of 256332 in words is "two hundred fifty-six thousand, three hundred thirty-two".