113513591 has 2 divisors, whose sum is σ = 113513592.
Its totient is φ = 113513590.
The previous prime is 113513549. The next prime is 113513623. The reversal of 113513591 is 195315311.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 113513591 - 26 = 113513527 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (113513531) 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 as a sum of consecutive naturals, namely, 56756795 + 56756796.
It is an arithmetic number, because the mean of its divisors is an integer number (56756796).
Almost surely, 2113513591 is an apocalyptic number.
113513591 is a deficient number, since it is larger than the sum of its proper divisors (1).
113513591 is an equidigital number, since it uses as much as digits as its factorization.
113513591 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2025, while the sum is 29.
The square root of 113513591 is about 10654.2757144726.
The cubic root of 113513591 is about 484.1901544900.
The spelling of 113513591 in words is "one hundred thirteen million, five hundred thirteen thousand, five hundred ninety-one".