258125265 has 32 divisors (see below), whose sum is σ = 459561600. Its totient is φ = 137465280.

The previous prime is 258125261. The next prime is 258125267. The reversal of 258125265 is 562521852.

It is a happy number.

It is not a de Polignac number, because 258125265 - 2² = 258125261 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (258125261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158626 + ... + 160244.

It is an arithmetic number, because the mean of its divisors is an integer number (14361300).

Almost surely, 2^258125265 is an apocalyptic number.

It is an amenable number.

258125265 is a deficient number, since it is larger than the sum of its proper divisors (201436335).

258125265 is a wasteful number, since it uses less digits than its factorization.

258125265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814 (or 2808 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 258125265 is about 16066.2772601496. The cubic root of 258125265 is about 636.7126889726.

The spelling of 258125265 in words is "two hundred fifty-eight million, one hundred twenty-five thousand, two hundred sixty-five".