113562681 has 4 divisors (see below), whose sum is σ = 151416912. Its totient is φ = 75708452.

The previous prime is 113562667. The next prime is 113562697. The reversal of 113562681 is 186265311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113562681 - 2¹⁴ = 113546297 is a prime.

It is a super-2 number, since 2×113562681² = 25792965031815522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113562881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18927111 + ... + 18927116.

It is an arithmetic number, because the mean of its divisors is an integer number (37854228).

Almost surely, 2^113562681 is an apocalyptic number.

It is an amenable number.

113562681 is a deficient number, since it is larger than the sum of its proper divisors (37854231).

113562681 is an equidigital number, since it uses as much as digits as its factorization.

113562681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37854230.

The product of its digits is 8640, while the sum is 33.

The square root of 113562681 is about 10656.5792353832. The cubic root of 113562681 is about 484.2599419312.

The spelling of 113562681 in words is "one hundred thirteen million, five hundred sixty-two thousand, six hundred eighty-one".