82523027521 has 8 divisors (see below), whose sum is σ = 90100596384. Its totient is φ = 74958037920.

The previous prime is 82523027501. The next prime is 82523027539. The reversal of 82523027521 is 12572032528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82523027521 - 2²¹ = 82520930369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82523027501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131091 + ... + 3157336.

It is an arithmetic number, because the mean of its divisors is an integer number (11262574548).

Almost surely, 2^82523027521 is an apocalyptic number.

It is an amenable number.

82523027521 is a deficient number, since it is larger than the sum of its proper divisors (7577568863).

82523027521 is a wasteful number, since it uses less digits than its factorization.

82523027521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289631.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 82523027521 in words is "eighty-two billion, five hundred twenty-three million, twenty-seven thousand, five hundred twenty-one".