113197565 has 16 divisors (see below), whose sum is σ = 146700288. Its totient is φ = 83355456.

The previous prime is 113197561. The next prime is 113197583. The reversal of 113197565 is 565791311.

It is a cyclic number.

It is not a de Polignac number, because 113197565 - 2² = 113197561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113197561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22622 + ... + 27168.

It is an arithmetic number, because the mean of its divisors is an integer number (9168768).

Almost surely, 2^113197565 is an apocalyptic number.

It is an amenable number.

113197565 is a deficient number, since it is larger than the sum of its proper divisors (33502723).

113197565 is a wasteful number, since it uses less digits than its factorization.

113197565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948.

The product of its digits is 28350, while the sum is 38.

The square root of 113197565 is about 10639.4344304573. The cubic root of 113197565 is about 483.7404024741.

The spelling of 113197565 in words is "one hundred thirteen million, one hundred ninety-seven thousand, five hundred sixty-five".