258125236 has 12 divisors (see below), whose sum is σ = 459375840. Its totient is φ = 126875000.

The previous prime is 258125233. The next prime is 258125237. The reversal of 258125236 is 632521852.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258125233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546640 + ... + 547111.

It is an arithmetic number, because the mean of its divisors is an integer number (38281320).

Almost surely, 2^258125236 is an apocalyptic number.

It is an amenable number.

258125236 is a deficient number, since it is larger than the sum of its proper divisors (201250604).

258125236 is a wasteful number, since it uses less digits than its factorization.

258125236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093814 (or 1093812 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 258125236 is about 16066.2763576381. The cubic root of 258125236 is about 636.7126651280.

The spelling of 258125236 in words is "two hundred fifty-eight million, one hundred twenty-five thousand, two hundred thirty-six".