255460 has 24 divisors (see below), whose sum is σ = 548856. Its totient is φ = 99840.

The previous prime is 255457. The next prime is 255467. The reversal of 255460 is 64552.

It can be written as a sum of positive squares in 4 ways, for example, as 73984 + 181476 = 272^2 + 426^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940 + ... + 1180.

It is an arithmetic number, because the mean of its divisors is an integer number (22869).

2²⁵⁵⁴⁶⁰ is an apocalyptic number.

255460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255460 is an abundant number, since it is smaller than the sum of its proper divisors (293396).

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

255460 is a wasteful number, since it uses less digits than its factorization.

255460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 255460 is about 505.4305095659. The cubic root of 255460 is about 63.4513649958.

The spelling of 255460 in words is "two hundred fifty-five thousand, four hundred sixty".