255458 has 16 divisors (see below), whose sum is σ = 445824. Its totient is φ = 107520.

The previous prime is 255457. The next prime is 255467. The reversal of 255458 is 854552.

It is a self number, because there is not a number n which added to its sum of digits gives 255458.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255458.

It is not an unprimeable number, because it can be changed into a prime (255457) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 866 + ... + 1122.

It is an arithmetic number, because the mean of its divisors is an integer number (27864).

2²⁵⁵⁴⁵⁸ is an apocalyptic number.

255458 is a deficient number, since it is larger than the sum of its proper divisors (190366).

255458 is a wasteful number, since it uses less digits than its factorization.

255458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337.

The product of its digits is 8000, while the sum is 29.

The square root of 255458 is about 505.4285310506. The cubic root of 255458 is about 63.4511994082.

The spelling of 255458 in words is "two hundred fifty-five thousand, four hundred fifty-eight".