258558 has 8 divisors (see below), whose sum is σ = 517128. Its totient is φ = 86184.

The previous prime is 258551. The next prime is 258563. The reversal of 258558 is 855852.

258558 is nontrivially palindromic in base 5.

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

258558 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258551) 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, 21541 + ... + 21552.

It is an arithmetic number, because the mean of its divisors is an integer number (64641).

2²⁵⁸⁵⁵⁸ is an apocalyptic number.

258558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258558 is a wasteful number, since it uses less digits than its factorization.

258558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43098.

The product of its digits is 16000, while the sum is 33.

The square root of 258558 is about 508.4859880075. The cubic root of 258558 is about 63.7068296729.

The spelling of 258558 in words is "two hundred fifty-eight thousand, five hundred fifty-eight".