258235875 has 96 divisors (see below), whose sum is σ = 488861568. Its totient is φ = 131040000.

The previous prime is 258235871. The next prime is 258235883. The reversal of 258235875 is 578532852.

It is not a de Polignac number, because 258235875 - 2² = 258235871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 258235875.

It is not an unprimeable number, because it can be changed into a prime (258235871) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 3637090 + ... + 3637160.

It is an arithmetic number, because the mean of its divisors is an integer number (5092308).

Almost surely, 2^258235875 is an apocalyptic number.

258235875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

258235875 is a deficient number, since it is larger than the sum of its proper divisors (230625693).

258235875 is a wasteful number, since it uses less digits than its factorization.

258235875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 193 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 258235875 is about 16069.7191948086. The cubic root of 258235875 is about 636.8036225139.

The spelling of 258235875 in words is "two hundred fifty-eight million, two hundred thirty-five thousand, eight hundred seventy-five".