82596521 has 4 divisors (see below), whose sum is σ = 94396032. Its totient is φ = 70797012.

The previous prime is 82596499. The next prime is 82596551. The reversal of 82596521 is 12569528.

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 82596521 - 2⁶ = 82596457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82596551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5899745 + ... + 5899758.

It is an arithmetic number, because the mean of its divisors is an integer number (23599008).

Almost surely, 2^82596521 is an apocalyptic number.

It is an amenable number.

82596521 is a deficient number, since it is larger than the sum of its proper divisors (11799511).

82596521 is a wasteful number, since it uses less digits than its factorization.

82596521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11799510.

The product of its digits is 43200, while the sum is 38.

The square root of 82596521 is about 9088.2628153019. The cubic root of 82596521 is about 435.4990898179.

The spelling of 82596521 in words is "eighty-two million, five hundred ninety-six thousand, five hundred twenty-one".