255330 has 24 divisors (see below), whose sum is σ = 664092. Its totient is φ = 68064.

The previous prime is 255329. The next prime is 255349. The reversal of 255330 is 33552.

It can be written as a sum of positive squares in 2 ways, for example, as 221841 + 33489 = 471^2 + 183^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1329 + ... + 1508.

2²⁵⁵³³⁰ is an apocalyptic number.

255330 is an abundant number, since it is smaller than the sum of its proper divisors (408762).

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

255330 is a wasteful number, since it uses less digits than its factorization.

255330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 2847 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 255330 is about 505.3018899628. The cubic root of 255330 is about 63.4406000006.

Adding to 255330 its reverse (33552), we get a palindrome (288882).

It can be divided in two parts, 255 and 330, that added together give a palindrome (585).

The spelling of 255330 in words is "two hundred fifty-five thousand, three hundred thirty".