255358 has 4 divisors (see below), whose sum is σ = 383040. Its totient is φ = 127678.

The previous prime is 255349. The next prime is 255361. The reversal of 255358 is 853552.

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

It is a congruent number.

It is an unprimeable number.

255358 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63838 + ... + 63841.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2²⁵⁵³⁵⁸ is an apocalyptic number.

255358 is a deficient number, since it is larger than the sum of its proper divisors (127682).

255358 is a wasteful number, since it uses less digits than its factorization.

255358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127681.

The product of its digits is 6000, while the sum is 28.

The square root of 255358 is about 505.3295954127. The cubic root of 255358 is about 63.4429189236.

The spelling of 255358 in words is "two hundred fifty-five thousand, three hundred fifty-eight".