82574613 has 16 divisors (see below), whose sum is σ = 133454400. Its totient is φ = 50045040.

The previous prime is 82574599. The next prime is 82574617. The reversal of 82574613 is 31647528.

82574613 is a `hidden beast` number, since 82 + 574 + 6 + 1 + 3 = 666.

It is not a de Polignac number, because 82574613 - 2⁹ = 82574101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82574617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138718 + ... + 139311.

It is an arithmetic number, because the mean of its divisors is an integer number (8340900).

Almost surely, 2^82574613 is an apocalyptic number.

It is an amenable number.

82574613 is a deficient number, since it is larger than the sum of its proper divisors (50879787).

82574613 is a wasteful number, since it uses less digits than its factorization.

82574613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278049 (or 278043 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 82574613 is about 9087.0574445197. The cubic root of 82574613 is about 435.4605823133.

The spelling of 82574613 in words is "eighty-two million, five hundred seventy-four thousand, six hundred thirteen".