258434275 has 24 divisors (see below), whose sum is σ = 358133328. Its totient is φ = 183360000.

The previous prime is 258434251. The next prime is 258434291. The reversal of 258434275 is 572434852.

It is not a de Polignac number, because 258434275 - 2⁵ = 258434243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186 + ... + 22735.

It is an arithmetic number, because the mean of its divisors is an integer number (14922222).

Almost surely, 2^258434275 is an apocalyptic number.

258434275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

258434275 is a deficient number, since it is larger than the sum of its proper divisors (99699053).

258434275 is a wasteful number, since it uses less digits than its factorization.

258434275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22983 (or 22978 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

The square root of 258434275 is about 16075.8911106041. The cubic root of 258434275 is about 636.9666640185.

The spelling of 258434275 in words is "two hundred fifty-eight million, four hundred thirty-four thousand, two hundred seventy-five".