258265375 has 8 divisors (see below), whose sum is σ = 322315344. Its totient is φ = 206612200.

The previous prime is 258265351. The next prime is 258265409. The reversal of 258265375 is 573562852.

It is not a de Polignac number, because 258265375 - 2¹⁵ = 258232607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032937 + ... + 1033186.

It is an arithmetic number, because the mean of its divisors is an integer number (40289418).

Almost surely, 2^258265375 is an apocalyptic number.

258265375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

258265375 is a deficient number, since it is larger than the sum of its proper divisors (64049969).

258265375 is an equidigital number, since it uses as much as digits as its factorization.

258265375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066138 (or 2066128 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The square root of 258265375 is about 16070.6370440005. The cubic root of 258265375 is about 636.8278703604.

The spelling of 258265375 in words is "two hundred fifty-eight million, two hundred sixty-five thousand, three hundred seventy-five".