82536013 has 4 divisors (see below), whose sum is σ = 94326880. Its totient is φ = 70745148.

The previous prime is 82536007. The next prime is 82536023. The reversal of 82536013 is 31063528.

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 82536013 - 2¹³ = 82527821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82536023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5895423 + ... + 5895436.

It is an arithmetic number, because the mean of its divisors is an integer number (23581720).

Almost surely, 2^82536013 is an apocalyptic number.

It is an amenable number.

82536013 is a deficient number, since it is larger than the sum of its proper divisors (11790867).

82536013 is a wasteful number, since it uses less digits than its factorization.

82536013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11790866.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 82536013 is about 9084.9332963979. The cubic root of 82536013 is about 435.3927188475.

The spelling of 82536013 in words is "eighty-two million, five hundred thirty-six thousand, thirteen".