113664917 has 2 divisors, whose sum is σ = 113664918. Its totient is φ = 113664916.

The previous prime is 113664853. The next prime is 113664937. The reversal of 113664917 is 719466311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108347281 + 5317636 = 10409^2 + 2306^2 .

It is an emirp because it is prime and its reverse (719466311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113664917 - 2⁶ = 113664853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113664937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56832458 + 56832459.

It is an arithmetic number, because the mean of its divisors is an integer number (56832459).

Almost surely, 2^113664917 is an apocalyptic number.

It is an amenable number.

113664917 is a deficient number, since it is larger than the sum of its proper divisors (1).

113664917 is an equidigital number, since it uses as much as digits as its factorization.

113664917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 113664917 is about 10661.3750051295. The cubic root of 113664917 is about 484.4052183825.

The spelling of 113664917 in words is "one hundred thirteen million, six hundred sixty-four thousand, nine hundred seventeen".