258002172 has 30 divisors (see below), whose sum is σ = 674469488. Its totient is φ = 86000616.

The previous prime is 258002167. The next prime is 258002233. The reversal of 258002172 is 271200852.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 397828 + ... + 398475.

Almost surely, 2^258002172 is an apocalyptic number.

It is an amenable number.

258002172 is an abundant number, since it is smaller than the sum of its proper divisors (416467316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258002172 is a wasteful number, since it uses less digits than its factorization.

258002172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796319 (or 796308 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 258002172 is about 16062.4460154735. The cubic root of 258002172 is about 636.6114624917.

It can be divided in two parts, 25800 and 2172, that added together give a palindrome (27972).

The spelling of 258002172 in words is "two hundred fifty-eight million, two thousand, one hundred seventy-two".