113993563 has 2 divisors, whose sum is σ = 113993564. Its totient is φ = 113993562.

The previous prime is 113993531. The next prime is 113993573. The reversal of 113993563 is 365399311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113993563 - 2⁵ = 113993531 is a prime.

It is not a weakly prime, because it can be changed into another prime (113993573) 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, 56996781 + 56996782.

It is an arithmetic number, because the mean of its divisors is an integer number (56996782).

Almost surely, 2^113993563 is an apocalyptic number.

113993563 is a deficient number, since it is larger than the sum of its proper divisors (1).

113993563 is an equidigital number, since it uses as much as digits as its factorization.

113993563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 40.

The square root of 113993563 is about 10676.7768076325. The cubic root of 113993563 is about 484.8716321624.

The spelling of 113993563 in words is "one hundred thirteen million, nine hundred ninety-three thousand, five hundred sixty-three".