117814513 has 2 divisors, whose sum is σ = 117814514. Its totient is φ = 117814512.

The previous prime is 117814511. The next prime is 117814519. The reversal of 117814513 is 315418711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77580864 + 40233649 = 8808^2 + 6343^2 .

It is a cyclic number.

It is not a de Polignac number, because 117814513 - 2¹ = 117814511 is a prime.

Together with 117814511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117814511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58907256 + 58907257.

It is an arithmetic number, because the mean of its divisors is an integer number (58907257).

Almost surely, 2^117814513 is an apocalyptic number.

It is an amenable number.

117814513 is a deficient number, since it is larger than the sum of its proper divisors (1).

117814513 is an equidigital number, since it uses as much as digits as its factorization.

117814513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 31.

The square root of 117814513 is about 10854.2394021875. The cubic root of 117814513 is about 490.2296757518.

It can be divided in two parts, 11781451 and 3, that multiplied together give a palindrome (35344353).

The spelling of 117814513 in words is "one hundred seventeen million, eight hundred fourteen thousand, five hundred thirteen".