80813113 has 2 divisors, whose sum is σ = 80813114. Its totient is φ = 80813112.

The previous prime is 80813101. The next prime is 80813147. The reversal of 80813113 is 31131808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70107129 + 10705984 = 8373^2 + 3272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80813113 is a prime.

It is not a weakly prime, because it can be changed into another prime (80813713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40406556 + 40406557.

It is an arithmetic number, because the mean of its divisors is an integer number (40406557).

Almost surely, 2^80813113 is an apocalyptic number.

It is an amenable number.

80813113 is a deficient number, since it is larger than the sum of its proper divisors (1).

80813113 is an equidigital number, since it uses as much as digits as its factorization.

80813113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 80813113 is about 8989.6113931582. The cubic root of 80813113 is about 432.3418522549.

The spelling of 80813113 in words is "eighty million, eight hundred thirteen thousand, one hundred thirteen".