113415509 has 2 divisors, whose sum is σ = 113415510. Its totient is φ = 113415508.

The previous prime is 113415487. The next prime is 113415569. The reversal of 113415509 is 905514311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112996900 + 418609 = 10630^2 + 647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113415509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113415569) 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, 56707754 + 56707755.

It is an arithmetic number, because the mean of its divisors is an integer number (56707755).

Almost surely, 2^113415509 is an apocalyptic number.

It is an amenable number.

113415509 is a deficient number, since it is larger than the sum of its proper divisors (1).

113415509 is an equidigital number, since it uses as much as digits as its factorization.

113415509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 113415509 is about 10649.6717789799. The cubic root of 113415509 is about 484.0506586435.

The spelling of 113415509 in words is "one hundred thirteen million, four hundred fifteen thousand, five hundred nine".