113290609 has 2 divisors, whose sum is σ = 113290610. Its totient is φ = 113290608.

The previous prime is 113290577. The next prime is 113290613. The reversal of 113290609 is 906092311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91872225 + 21418384 = 9585^2 + 4628^2 .

It is a cyclic number.

It is not a de Polignac number, because 113290609 - 2⁵ = 113290577 is a prime.

It is not a weakly prime, because it can be changed into another prime (113290409) 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, 56645304 + 56645305.

It is an arithmetic number, because the mean of its divisors is an integer number (56645305).

Almost surely, 2^113290609 is an apocalyptic number.

It is an amenable number.

113290609 is a deficient number, since it is larger than the sum of its proper divisors (1).

113290609 is an equidigital number, since it uses as much as digits as its factorization.

113290609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 113290609 is about 10643.8061331462. The cubic root of 113290609 is about 483.8729047817.

The spelling of 113290609 in words is "one hundred thirteen million, two hundred ninety thousand, six hundred nine".