113605243 has 2 divisors, whose sum is σ = 113605244. Its totient is φ = 113605242.

The previous prime is 113605229. The next prime is 113605259. The reversal of 113605243 is 342506311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113605243 - 2²⁵ = 80050811 is a prime.

It is not a weakly prime, because it can be changed into another prime (113605213) 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 as a sum of consecutive naturals, namely, 56802621 + 56802622.

It is an arithmetic number, because the mean of its divisors is an integer number (56802622).

Almost surely, 2^113605243 is an apocalyptic number.

113605243 is a deficient number, since it is larger than the sum of its proper divisors (1).

113605243 is an equidigital number, since it uses as much as digits as its factorization.

113605243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 113605243 is about 10658.5760305962. The cubic root of 113605243 is about 484.3204327458.

The spelling of 113605243 in words is "one hundred thirteen million, six hundred five thousand, two hundred forty-three".