82175258 has 16 divisors (see below), whose sum is σ = 136365120. Its totient is φ = 36825600.

The previous prime is 82175239. The next prime is 82175273. The reversal of 82175258 is 85257128.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24743 + ... + 27866.

It is an arithmetic number, because the mean of its divisors is an integer number (8522820).

Almost surely, 2^82175258 is an apocalyptic number.

82175258 is a deficient number, since it is larger than the sum of its proper divisors (54189862).

82175258 is a wasteful number, since it uses less digits than its factorization.

82175258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52693.

The product of its digits is 44800, while the sum is 38.

The square root of 82175258 is about 9065.0569772065. The cubic root of 82175258 is about 434.7574426138.

The spelling of 82175258 in words is "eighty-two million, one hundred seventy-five thousand, two hundred fifty-eight".