82520937 has 10 divisors (see below), whose sum is σ = 123272138. Its totient is φ = 55013904.

The previous prime is 82520929. The next prime is 82520981. The reversal of 82520937 is 73902528.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43283241 + 39237696 = 6579^2 + 6264^2 .

It is not a de Polignac number, because 82520937 - 2³ = 82520929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82520237) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 509308 + ... + 509469.

Almost surely, 2^82520937 is an apocalyptic number.

It is an amenable number.

82520937 is a deficient number, since it is larger than the sum of its proper divisors (40751201).

82520937 is a wasteful number, since it uses less digits than its factorization.

82520937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018789 (or 1018780 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 82520937 is about 9084.1035330956. The cubic root of 82520937 is about 435.3662076714.

The spelling of 82520937 in words is "eighty-two million, five hundred twenty thousand, nine hundred thirty-seven".