255263 has 4 divisors (see below), whose sum is σ = 262200. Its totient is φ = 248328.

The previous prime is 255259. The next prime is 255313. The reversal of 255263 is 362552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255263 - 2² = 255259 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3413 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (65550).

2²⁵⁵²⁶³ is an apocalyptic number.

255263 is a deficient number, since it is larger than the sum of its proper divisors (6937).

255263 is an equidigital number, since it uses as much as digits as its factorization.

255263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936.

The product of its digits is 1800, while the sum is 23.

The square root of 255263 is about 505.2355886119. The cubic root of 255263 is about 63.4350504607.

The spelling of 255263 in words is "two hundred fifty-five thousand, two hundred sixty-three".