82510579825 has 12 divisors (see below), whose sum is σ = 102472257328. Its totient is φ = 65905794000.

The previous prime is 82510579813. The next prime is 82510579841. The reversal of 82510579825 is 52897501528.

It is not a de Polignac number, because 82510579825 - 2²⁹ = 81973708913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2550351 + ... + 2582500.

Almost surely, 2^82510579825 is an apocalyptic number.

It is an amenable number.

82510579825 is a deficient number, since it is larger than the sum of its proper divisors (19961677503).

82510579825 is a wasteful number, since it uses less digits than its factorization.

82510579825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133504 (or 5133499 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 52.

The spelling of 82510579825 in words is "eighty-two billion, five hundred ten million, five hundred seventy-nine thousand, eight hundred twenty-five".