113208569 has 2 divisors, whose sum is σ = 113208570. Its totient is φ = 113208568.

The previous prime is 113208541. The next prime is 113208587. The reversal of 113208569 is 965802311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96275344 + 16933225 = 9812^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 113208569 - 2⁸ = 113208313 is a prime.

It is a super-2 number, since 2×113208569² = 25632360190055522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113208539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56604284 + 56604285.

It is an arithmetic number, because the mean of its divisors is an integer number (56604285).

Almost surely, 2^113208569 is an apocalyptic number.

It is an amenable number.

113208569 is a deficient number, since it is larger than the sum of its proper divisors (1).

113208569 is an equidigital number, since it uses as much as digits as its factorization.

113208569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 113208569 is about 10639.9515506416. The cubic root of 113208569 is about 483.7560768599.

The spelling of 113208569 in words is "one hundred thirteen million, two hundred eight thousand, five hundred sixty-nine".