255924 has 18 divisors (see below), whose sum is σ = 647010. Its totient is φ = 85296.

The previous prime is 255923. The next prime is 255947. The reversal of 255924 is 429552.

It can be written as a sum of positive squares in only one way, i.e., 176400 + 79524 = 420^2 + 282^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 255924.

It is not an unprimeable number, because it can be changed into a prime (255923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3519 + ... + 3590.

It is an arithmetic number, because the mean of its divisors is an integer number (35945).

2²⁵⁵⁹²⁴ is an apocalyptic number.

It is an amenable number.

255924 is an abundant number, since it is smaller than the sum of its proper divisors (391086).

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

255924 is a wasteful number, since it uses less digits than its factorization.

255924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119 (or 7114 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 255924 is about 505.8893159576. The cubic root of 255924 is about 63.4897579943.

It can be divided in two parts, 2559 and 24, that multiplied together give a palindrome (61416).

The spelling of 255924 in words is "two hundred fifty-five thousand, nine hundred twenty-four".