255288 has 32 divisors (see below), whose sum is σ = 696960. Its totient is φ = 77280.

The previous prime is 255259. The next prime is 255313. The reversal of 255288 is 882552.

255288 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

255288 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 7 ways as a sum of consecutive naturals, for example, 220 + ... + 747.

It is an arithmetic number, because the mean of its divisors is an integer number (21780).

2²⁵⁵²⁸⁸ is an apocalyptic number.

It is an amenable number.

255288 is an abundant number, since it is smaller than the sum of its proper divisors (441672).

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

255288 is a wasteful number, since it uses less digits than its factorization.

255288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 983 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 255288 is about 505.2603289394. The cubic root of 255288 is about 63.4371212981.

Subtracting 255288 from its reverse (882552), we obtain a square (627264 = 792²).

The spelling of 255288 in words is "two hundred fifty-five thousand, two hundred eighty-eight".