258032475 has 72 divisors (see below), whose sum is σ = 480562992. Its totient is φ = 132249600.

The previous prime is 258032447. The next prime is 258032507. The reversal of 258032475 is 574230852.

258032475 is a `hidden beast` number, since 2 + 580 + 3 + 2 + 4 + 75 = 666.

It is not a de Polignac number, because 258032475 - 2⁸ = 258032219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 765507 + ... + 765843.

It is an arithmetic number, because the mean of its divisors is an integer number (6674486).

Almost surely, 2^258032475 is an apocalyptic number.

258032475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

258032475 is a deficient number, since it is larger than the sum of its proper divisors (222530517).

258032475 is a wasteful number, since it uses less digits than its factorization.

258032475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 258032475 is about 16063.3892749942. The cubic root of 258032475 is about 636.6363853852.

The spelling of 258032475 in words is "two hundred fifty-eight million, thirty-two thousand, four hundred seventy-five".