258375813 has 16 divisors (see below), whose sum is σ = 378401280. Its totient is φ = 156088944.

The previous prime is 258375739. The next prime is 258375833. The reversal of 258375813 is 318573852.

It is not a de Polignac number, because 258375813 - 2¹⁴ = 258359429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258375833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97231 + ... + 99852.

It is an arithmetic number, because the mean of its divisors is an integer number (23650080).

Almost surely, 2^258375813 is an apocalyptic number.

258375813 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

258375813 is a deficient number, since it is larger than the sum of its proper divisors (120025467).

258375813 is a wasteful number, since it uses less digits than its factorization.

258375813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197128.

The product of its digits is 201600, while the sum is 42.

The square root of 258375813 is about 16074.0726948711. The cubic root of 258375813 is about 636.9186296863.

The spelling of 258375813 in words is "two hundred fifty-eight million, three hundred seventy-five thousand, eight hundred thirteen".