113605617 has 16 divisors (see below), whose sum is σ = 159917120. Its totient is φ = 71737920.

The previous prime is 113605603. The next prime is 113605619. The reversal of 113605617 is 716506311.

It is not a de Polignac number, because 113605617 - 2¹⁹ = 113081329 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (113605619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17817 + ... + 23337.

It is an arithmetic number, because the mean of its divisors is an integer number (9994820).

Almost surely, 2^113605617 is an apocalyptic number.

It is an amenable number.

113605617 is a deficient number, since it is larger than the sum of its proper divisors (46311503).

113605617 is an frugal number, since it uses more digits than its factorization.

113605617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581 (or 5543 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 113605617 is about 10658.5935751393. The cubic root of 113605617 is about 484.3209642225.

The spelling of 113605617 in words is "one hundred thirteen million, six hundred five thousand, six hundred seventeen".