113869817 has 2 divisors, whose sum is σ = 113869818. Its totient is φ = 113869816.

The previous prime is 113869799. The next prime is 113869829. The reversal of 113869817 is 718968311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90935296 + 22934521 = 9536^2 + 4789^2 .

It is a cyclic number.

It is not a de Polignac number, because 113869817 - 2¹² = 113865721 is a prime.

It is a super-2 number, since 2×113869817² = 25932670447226978, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113869837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56934908 + 56934909.

It is an arithmetic number, because the mean of its divisors is an integer number (56934909).

Almost surely, 2^113869817 is an apocalyptic number.

It is an amenable number.

113869817 is a deficient number, since it is larger than the sum of its proper divisors (1).

113869817 is an equidigital number, since it uses as much as digits as its factorization.

113869817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 44.

The square root of 113869817 is about 10670.9801330524. The cubic root of 113869817 is about 484.6961174289.

The spelling of 113869817 in words is "one hundred thirteen million, eight hundred sixty-nine thousand, eight hundred seventeen".