113000509 has 2 divisors, whose sum is σ = 113000510. Its totient is φ = 113000508.

The previous prime is 113000507. The next prime is 113000521. The reversal of 113000509 is 905000311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67815225 + 45185284 = 8235^2 + 6722^2 .

It is a cyclic number.

It is not a de Polignac number, because 113000509 - 2¹ = 113000507 is a prime.

Together with 113000507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113000507) 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, 56500254 + 56500255.

It is an arithmetic number, because the mean of its divisors is an integer number (56500255).

Almost surely, 2^113000509 is an apocalyptic number.

It is an amenable number.

113000509 is a deficient number, since it is larger than the sum of its proper divisors (1).

113000509 is an equidigital number, since it uses as much as digits as its factorization.

113000509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 113000509 is about 10630.1697540538. The cubic root of 113000509 is about 483.4595386114.

The spelling of 113000509 in words is "one hundred thirteen million, five hundred nine", and thus it is an aban number.