104322809 has 2 divisors, whose sum is σ = 104322810. Its totient is φ = 104322808.

The previous prime is 104322763. The next prime is 104322817. The reversal of 104322809 is 908223401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53699584 + 50623225 = 7328^2 + 7115^2 .

It is a cyclic number.

It is not a de Polignac number, because 104322809 - 2²⁰ = 103274233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104322839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52161404 + 52161405.

It is an arithmetic number, because the mean of its divisors is an integer number (52161405).

Almost surely, 2^104322809 is an apocalyptic number.

It is an amenable number.

104322809 is a deficient number, since it is larger than the sum of its proper divisors (1).

104322809 is an equidigital number, since it uses as much as digits as its factorization.

104322809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 104322809 is about 10213.8537780800. The cubic root of 104322809 is about 470.7529939689.

The spelling of 104322809 in words is "one hundred four million, three hundred twenty-two thousand, eight hundred nine".