82475313 has 16 divisors (see below), whose sum is σ = 119278656. Its totient is φ = 50485760.

The previous prime is 82475303. The next prime is 82475329. The reversal of 82475313 is 31357428.

It is not a de Polignac number, because 82475313 - 2⁴ = 82475297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82475303) 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, 17631 + ... + 21812.

It is an arithmetic number, because the mean of its divisors is an integer number (7454916).

Almost surely, 2^82475313 is an apocalyptic number.

It is an amenable number.

82475313 is a deficient number, since it is larger than the sum of its proper divisors (36803343).

82475313 is a wasteful number, since it uses less digits than its factorization.

82475313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39504.

The product of its digits is 20160, while the sum is 33.

The square root of 82475313 is about 9081.5919859901. The cubic root of 82475313 is about 435.2859580995.

The spelling of 82475313 in words is "eighty-two million, four hundred seventy-five thousand, three hundred thirteen".