82173051 has 6 divisors (see below), whose sum is σ = 118694420. Its totient is φ = 54782028.

The previous prime is 82173001. The next prime is 82173073. The reversal of 82173051 is 15037128.

It is not a de Polignac number, because 82173051 - 2¹⁵ = 82140283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82173001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4565161 + ... + 4565178.

Almost surely, 2^82173051 is an apocalyptic number.

82173051 is a deficient number, since it is larger than the sum of its proper divisors (36521369).

82173051 is a wasteful number, since it uses less digits than its factorization.

82173051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130345 (or 9130342 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 82173051 is about 9064.9352452182. The cubic root of 82173051 is about 434.7535504517.

The spelling of 82173051 in words is "eighty-two million, one hundred seventy-three thousand, fifty-one".