255885 has 16 divisors (see below), whose sum is σ = 468096. Its totient is φ = 116928.

The previous prime is 255877. The next prime is 255887. The reversal of 255885 is 588552.

255885 = T₁₀₃ + T₁₀₄ + ... + T₁₃₇.

It is not a de Polignac number, because 255885 - 2³ = 255877 is a prime.

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 255885.

It is not an unprimeable number, because it can be changed into a prime (255887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (29256).

2²⁵⁵⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

255885 is a deficient number, since it is larger than the sum of its proper divisors (212211).

255885 is a wasteful number, since it uses less digits than its factorization.

255885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452.

The product of its digits is 16000, while the sum is 33.

The square root of 255885 is about 505.8507685079. The cubic root of 255885 is about 63.4865327838.

The spelling of 255885 in words is "two hundred fifty-five thousand, eight hundred eighty-five".