258231885 has 16 divisors (see below), whose sum is σ = 413398080. Its totient is φ = 137648000.

The previous prime is 258231871. The next prime is 258231893. The reversal of 258231885 is 588132852.

It is not a de Polignac number, because 258231885 - 2¹⁷ = 258100813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33385 + ... + 40385.

It is an arithmetic number, because the mean of its divisors is an integer number (25837380).

Almost surely, 2^258231885 is an apocalyptic number.

It is an amenable number.

258231885 is a deficient number, since it is larger than the sum of its proper divisors (155166195).

258231885 is a wasteful number, since it uses less digits than its factorization.

258231885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468.

The product of its digits is 153600, while the sum is 42.

The square root of 258231885 is about 16069.5950477913. The cubic root of 258231885 is about 636.8003427482.

The spelling of 258231885 in words is "two hundred fifty-eight million, two hundred thirty-one thousand, eight hundred eighty-five".