258895 has 16 divisors (see below), whose sum is σ = 383040. Its totient is φ = 163584.

The previous prime is 258887. The next prime is 258917. The reversal of 258895 is 598852.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 258895 - 2³ = 258887 is a prime.

It is a congruent number.

It is an unprimeable 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 in 15 ways as a sum of consecutive naturals, for example, 171 + ... + 739.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2²⁵⁸⁸⁹⁵ is an apocalyptic number.

258895 is a deficient number, since it is larger than the sum of its proper divisors (124145).

258895 is a wasteful number, since it uses less digits than its factorization.

258895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 28800, while the sum is 37.

The square root of 258895 is about 508.8172559967. The cubic root of 258895 is about 63.7344957811.

The spelling of 258895 in words is "two hundred fifty-eight thousand, eight hundred ninety-five".