813282613 has 16 divisors (see below), whose sum is σ = 986291712. Its totient is φ = 660456000.

The previous prime is 813282581. The next prime is 813282619. The reversal of 813282613 is 316282318.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 813282613 - 2⁵ = 813282581 is a prime.

It is a super-2 number, since 2×813282613² = 1322857217216215538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813282619) 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, 87298 + ... + 96163.

It is an arithmetic number, because the mean of its divisors is an integer number (61643232).

Almost surely, 2^813282613 is an apocalyptic number.

It is an amenable number.

813282613 is a deficient number, since it is larger than the sum of its proper divisors (173009099).

813282613 is a wasteful number, since it uses less digits than its factorization.

813282613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183516.

The product of its digits is 13824, while the sum is 34.

The square root of 813282613 is about 28518.1102634799. The cubic root of 813282613 is about 933.4272942677.

The spelling of 813282613 in words is "eight hundred thirteen million, two hundred eighty-two thousand, six hundred thirteen".