255365 has 8 divisors (see below), whose sum is σ = 334368. Its totient is φ = 185680.

The previous prime is 255361. The next prime is 255371. The reversal of 255365 is 563552.

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

It is not a de Polignac number, because 255365 - 2² = 255361 is a prime.

It is a super-2 number, since 2×255365² = 130422566450, which contains 22 as substring.

It is a Duffinian number.

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 255365.

It is not an unprimeable number, because it can be changed into a prime (255361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (41796).

2²⁵⁵³⁶⁵ is an apocalyptic number.

It is an amenable number.

255365 is a deficient number, since it is larger than the sum of its proper divisors (79003).

255365 is a wasteful number, since it uses less digits than its factorization.

255365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659.

The product of its digits is 4500, while the sum is 26.

The square root of 255365 is about 505.3365215379. The cubic root of 255365 is about 63.4434986279.

The spelling of 255365 in words is "two hundred fifty-five thousand, three hundred sixty-five".