113537617 has 2 divisors, whose sum is σ = 113537618. Its totient is φ = 113537616.

The previous prime is 113537603. The next prime is 113537681. The reversal of 113537617 is 716735311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95082001 + 18455616 = 9751^2 + 4296^2 .

It is an emirp because it is prime and its reverse (716735311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113537617 is a prime.

It is not a weakly prime, because it can be changed into another prime (113537317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56768808 + 56768809.

It is an arithmetic number, because the mean of its divisors is an integer number (56768809).

Almost surely, 2^113537617 is an apocalyptic number.

It is an amenable number.

113537617 is a deficient number, since it is larger than the sum of its proper divisors (1).

113537617 is an equidigital number, since it uses as much as digits as its factorization.

113537617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 34.

The square root of 113537617 is about 10655.4031833620. The cubic root of 113537617 is about 484.2243129020.

The spelling of 113537617 in words is "one hundred thirteen million, five hundred thirty-seven thousand, six hundred seventeen".