258082173 has 16 divisors (see below), whose sum is σ = 391237440. Its totient is φ = 168052752.

The previous prime is 258082159. The next prime is 258082189. The reversal of 258082173 is 371280852.

258082173 is a `hidden beast` number, since 2 + 580 + 8 + 2 + 1 + 73 = 666.

It is not a de Polignac number, because 258082173 - 2⁸ = 258081917 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258082873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109986 + ... + 112307.

It is an arithmetic number, because the mean of its divisors is an integer number (24452340).

Almost surely, 2^258082173 is an apocalyptic number.

It is an amenable number.

258082173 is a deficient number, since it is larger than the sum of its proper divisors (133155267).

258082173 is a wasteful number, since it uses less digits than its factorization.

258082173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222345 (or 222339 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 258082173 is about 16064.9361343268. The cubic root of 258082173 is about 636.6772555948.

The spelling of 258082173 in words is "two hundred fifty-eight million, eighty-two thousand, one hundred seventy-three".