113565427 has 4 divisors (see below), whose sum is σ = 113597656. Its totient is φ = 113533200.

The previous prime is 113565409. The next prime is 113565433. The reversal of 113565427 is 724565311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113565427 - 2¹⁹ = 113041139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113565392 and 113565401.

It is not an unprimeable number, because it can be changed into a prime (113565407) 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 3 ways as a sum of consecutive naturals, for example, 10074 + ... + 18127.

It is an arithmetic number, because the mean of its divisors is an integer number (28399414).

Almost surely, 2^113565427 is an apocalyptic number.

113565427 is a deficient number, since it is larger than the sum of its proper divisors (32229).

113565427 is an equidigital number, since it uses as much as digits as its factorization.

113565427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32228.

The product of its digits is 25200, while the sum is 34.

The square root of 113565427 is about 10656.7080751985. The cubic root of 113565427 is about 484.2638451121.

The spelling of 113565427 in words is "one hundred thirteen million, five hundred sixty-five thousand, four hundred twenty-seven".