82235173 has 4 divisors (see below), whose sum is σ = 86563360. Its totient is φ = 77906988.

The previous prime is 82235147. The next prime is 82235191. The reversal of 82235173 is 37153228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82235173 - 2²¹ = 80138021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82235123) 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, 2164065 + ... + 2164102.

It is an arithmetic number, because the mean of its divisors is an integer number (21640840).

Almost surely, 2^82235173 is an apocalyptic number.

It is an amenable number.

82235173 is a deficient number, since it is larger than the sum of its proper divisors (4328187).

82235173 is a wasteful number, since it uses less digits than its factorization.

82235173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328186.

The product of its digits is 10080, while the sum is 31.

The square root of 82235173 is about 9068.3610977949. The cubic root of 82235173 is about 434.8630792925.

The spelling of 82235173 in words is "eighty-two million, two hundred thirty-five thousand, one hundred seventy-three".