113837513 has 2 divisors, whose sum is σ = 113837514. Its totient is φ = 113837512.

The previous prime is 113837501. The next prime is 113837519. The reversal of 113837513 is 315738311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63313849 + 50523664 = 7957^2 + 7108^2 .

It is a cyclic number.

It is not a de Polignac number, because 113837513 - 2²⁰ = 112788937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113837513.

It is not a weakly prime, because it can be changed into another prime (113837519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56918756 + 56918757.

It is an arithmetic number, because the mean of its divisors is an integer number (56918757).

Almost surely, 2^113837513 is an apocalyptic number.

It is an amenable number.

113837513 is a deficient number, since it is larger than the sum of its proper divisors (1).

113837513 is an equidigital number, since it uses as much as digits as its factorization.

113837513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 113837513 is about 10669.4663877815. The cubic root of 113837513 is about 484.6502782280.

The spelling of 113837513 in words is "one hundred thirteen million, eight hundred thirty-seven thousand, five hundred thirteen".