82606513 has 16 divisors (see below), whose sum is σ = 93002112. Its totient is φ = 72720000.

The previous prime is 82606499. The next prime is 82606567. The reversal of 82606513 is 31560628.

It is a cyclic number.

It is not a de Polignac number, because 82606513 - 2⁵ = 82606481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82636513) 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, 67495 + ... + 68707.

It is an arithmetic number, because the mean of its divisors is an integer number (5812632).

Almost surely, 2^82606513 is an apocalyptic number.

It is an amenable number.

82606513 is a deficient number, since it is larger than the sum of its proper divisors (10395599).

82606513 is a wasteful number, since it uses less digits than its factorization.

82606513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 82606513 is about 9088.8125186957. The cubic root of 82606513 is about 435.5166504100.

The spelling of 82606513 in words is "eighty-two million, six hundred six thousand, five hundred thirteen".