113603805 has 36 divisors (see below), whose sum is σ = 229066812. Its totient is φ = 51932160.

The previous prime is 113603773. The next prime is 113603813. The reversal of 113603805 is 508306311.

It can be written as a sum of positive squares in 2 ways, for example, as 11573604 + 102030201 = 3402^2 + 10101^2 .

It is not a de Polignac number, because 113603805 - 2⁵ = 113603773 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23556 + ... + 27965.

It is an arithmetic number, because the mean of its divisors is an integer number (6362967).

Almost surely, 2^113603805 is an apocalyptic number.

113603805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113603805 is an abundant number, since it is smaller than the sum of its proper divisors (115463007).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113603805 is a wasteful number, since it uses less digits than its factorization.

113603805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51546 (or 51536 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 113603805 is about 10658.5085729665. The cubic root of 113603805 is about 484.3183892494.

The spelling of 113603805 in words is "one hundred thirteen million, six hundred three thousand, eight hundred five".