255338 has 4 divisors (see below), whose sum is σ = 383010. Its totient is φ = 127668.

The previous prime is 255329. The next prime is 255349. The reversal of 255338 is 833552.

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

It can be written as a sum of positive squares in only one way, i.e., 218089 + 37249 = 467^2 + 193^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63833 + ... + 63836.

2²⁵⁵³³⁸ is an apocalyptic number.

255338 is a deficient number, since it is larger than the sum of its proper divisors (127672).

255338 is a wasteful number, since it uses less digits than its factorization.

255338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127671.

The product of its digits is 3600, while the sum is 26.

The square root of 255338 is about 505.3098059607. The cubic root of 255338 is about 63.4412625673.

The spelling of 255338 in words is "two hundred fifty-five thousand, three hundred thirty-eight".