255595 has 16 divisors (see below), whose sum is σ = 338688. Its totient is φ = 184320.

The previous prime is 255589. The next prime is 255613. The reversal of 255595 is 595552.

It is not a de Polignac number, because 255595 - 2³ = 255587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

It is a Duffinian number.

Its product of digits (11250) is a multiple of the sum of its prime divisors (150).

255595 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2587 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (21168).

2²⁵⁵⁵⁹⁵ is an apocalyptic number.

255595 is a deficient number, since it is larger than the sum of its proper divisors (83093).

255595 is a wasteful number, since it uses less digits than its factorization.

255595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150.

The product of its digits is 11250, while the sum is 31.

The square root of 255595 is about 505.5640414428. The cubic root of 255595 is about 63.4625401645.

The spelling of 255595 in words is "two hundred fifty-five thousand, five hundred ninety-five".