255165 has 8 divisors (see below), whose sum is σ = 408288. Its totient is φ = 136080.

The previous prime is 255149. The next prime is 255173. The reversal of 255165 is 561552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255165 - 2⁴ = 255149 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8491 + ... + 8520.

It is an arithmetic number, because the mean of its divisors is an integer number (51036).

2²⁵⁵¹⁶⁵ is an apocalyptic number.

It is an amenable number.

255165 is a deficient number, since it is larger than the sum of its proper divisors (153123).

255165 is a wasteful number, since it uses less digits than its factorization.

255165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17019.

The product of its digits is 1500, while the sum is 24.

The square root of 255165 is about 505.1385948430. The cubic root of 255165 is about 63.4269314741.

The spelling of 255165 in words is "two hundred fifty-five thousand, one hundred sixty-five".