113045609 has 2 divisors, whose sum is σ = 113045610. Its totient is φ = 113045608.

The previous prime is 113045599. The next prime is 113045633. The reversal of 113045609 is 906540311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61277584 + 51768025 = 7828^2 + 7195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113045609 is a prime.

It is a super-3 number, since 3×113045609³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (113045659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56522804 + 56522805.

It is an arithmetic number, because the mean of its divisors is an integer number (56522805).

Almost surely, 2^113045609 is an apocalyptic number.

It is an amenable number.

113045609 is a deficient number, since it is larger than the sum of its proper divisors (1).

113045609 is an equidigital number, since it uses as much as digits as its factorization.

113045609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 113045609 is about 10632.2908632148. The cubic root of 113045609 is about 483.5238484251.

The spelling of 113045609 in words is "one hundred thirteen million, forty-five thousand, six hundred nine".