818234113 has 2 divisors, whose sum is σ = 818234114. Its totient is φ = 818234112.

The previous prime is 818234093. The next prime is 818234141. The reversal of 818234113 is 311432818.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451435009 + 366799104 = 21247^2 + 19152^2 .

It is a cyclic number.

It is not a de Polignac number, because 818234113 - 2¹³ = 818225921 is a prime.

It is not a weakly prime, because it can be changed into another prime (818234213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409117056 + 409117057.

It is an arithmetic number, because the mean of its divisors is an integer number (409117057).

Almost surely, 2^818234113 is an apocalyptic number.

It is an amenable number.

818234113 is a deficient number, since it is larger than the sum of its proper divisors (1).

818234113 is an equidigital number, since it uses as much as digits as its factorization.

818234113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 818234113 is about 28604.7917838952. The cubic root of 818234113 is about 935.3177880192.

The spelling of 818234113 in words is "eight hundred eighteen million, two hundred thirty-four thousand, one hundred thirteen".