115682813 has 2 divisors, whose sum is σ = 115682814. Its totient is φ = 115682812.

The previous prime is 115682797. The next prime is 115682863. The reversal of 115682813 is 318286511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83850649 + 31832164 = 9157^2 + 5642^2 .

It is a cyclic number.

It is not a de Polignac number, because 115682813 - 2⁴ = 115682797 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115682863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57841406 + 57841407.

It is an arithmetic number, because the mean of its divisors is an integer number (57841407).

Almost surely, 2^115682813 is an apocalyptic number.

It is an amenable number.

115682813 is a deficient number, since it is larger than the sum of its proper divisors (1).

115682813 is an equidigital number, since it uses as much as digits as its factorization.

115682813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 35.

The square root of 115682813 is about 10755.5944977486. The cubic root of 115682813 is about 487.2549728985.

The spelling of 115682813 in words is "one hundred fifteen million, six hundred eighty-two thousand, eight hundred thirteen".