82513028 has 12 divisors (see below), whose sum is σ = 155505420. Its totient is φ = 38082912.

The previous prime is 82513021. The next prime is 82513031. The reversal of 82513028 is 82031528.

It can be written as a sum of positive squares in 2 ways, for example, as 53114944 + 29398084 = 7288^2 + 5422^2 .

It is not an unprimeable number, because it can be changed into a prime (82513021) 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 3 ways as a sum of consecutive naturals, for example, 793343 + ... + 793446.

It is an arithmetic number, because the mean of its divisors is an integer number (12958785).

Almost surely, 2^82513028 is an apocalyptic number.

It is an amenable number.

82513028 is a deficient number, since it is larger than the sum of its proper divisors (72992392).

82513028 is a wasteful number, since it uses less digits than its factorization.

82513028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586806 (or 1586804 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 82513028 is about 9083.6682017784. The cubic root of 82513028 is about 435.3522983878.

The spelling of 82513028 in words is "eighty-two million, five hundred thirteen thousand, twenty-eight".