82907525 has 18 divisors (see below), whose sum is σ = 107486610. Its totient is φ = 63432160.

The previous prime is 82907509. The next prime is 82907527. The reversal of 82907525 is 52570928.

It can be written as a sum of positive squares in 3 ways, for example, as 2033476 + 80874049 = 1426^2 + 8993^2 .

It is not a de Polignac number, because 82907525 - 2⁴ = 82907509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82907527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10091 + ... + 16359.

Almost surely, 2^82907525 is an apocalyptic number.

It is an amenable number.

82907525 is a deficient number, since it is larger than the sum of its proper divisors (24579085).

82907525 is a wasteful number, since it uses less digits than its factorization.

82907525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325 (or 6297 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 82907525 is about 9105.3569397361. The cubic root of 82907525 is about 436.0450059453.

The spelling of 82907525 in words is "eighty-two million, nine hundred seven thousand, five hundred twenty-five".