113599825 has 6 divisors (see below), whose sum is σ = 140863814. Its totient is φ = 90879840.

The previous prime is 113599823. The next prime is 113599861. The reversal of 113599825 is 528995311.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 31371201 + 82228624 = 5601^2 + 9068^2 .

It is not a de Polignac number, because 113599825 - 2¹ = 113599823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113599823) 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 5 ways as a sum of consecutive naturals, for example, 2271972 + ... + 2272021.

Almost surely, 2^113599825 is an apocalyptic number.

It is an amenable number.

113599825 is a deficient number, since it is larger than the sum of its proper divisors (27263989).

113599825 is an equidigital number, since it uses as much as digits as its factorization.

113599825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544003 (or 4543998 counting only the distinct ones).

The product of its digits is 97200, while the sum is 43.

The square root of 113599825 is about 10658.3218660350. The cubic root of 113599825 is about 484.3127333071.

The spelling of 113599825 in words is "one hundred thirteen million, five hundred ninety-nine thousand, eight hundred twenty-five".