82536519 has 16 divisors (see below), whose sum is σ = 119048832. Its totient is φ = 50562528.

The previous prime is 82536511. The next prime is 82536521. The reversal of 82536519 is 91563528.

It is not a de Polignac number, because 82536519 - 2³ = 82536511 is a prime.

It is a super-2 number, since 2×82536519² = 13624553937274722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82536511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4192 + ... + 13514.

It is an arithmetic number, because the mean of its divisors is an integer number (7440552).

Almost surely, 2^82536519 is an apocalyptic number.

82536519 is a deficient number, since it is larger than the sum of its proper divisors (36512313).

82536519 is a wasteful number, since it uses less digits than its factorization.

82536519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566.

The product of its digits is 64800, while the sum is 39.

The square root of 82536519 is about 9084.9611446610. The cubic root of 82536519 is about 435.3936085935.

The spelling of 82536519 in words is "eighty-two million, five hundred thirty-six thousand, five hundred nineteen".