104395609 has 2 divisors, whose sum is σ = 104395610. Its totient is φ = 104395608.

The previous prime is 104395591. The next prime is 104395649. The reversal of 104395609 is 906593401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55353600 + 49042009 = 7440^2 + 7003^2 .

It is a cyclic number.

It is not a de Polignac number, because 104395609 - 2¹³ = 104387417 is a prime.

It is not a weakly prime, because it can be changed into another prime (104395649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52197804 + 52197805.

It is an arithmetic number, because the mean of its divisors is an integer number (52197805).

Almost surely, 2^104395609 is an apocalyptic number.

It is an amenable number.

104395609 is a deficient number, since it is larger than the sum of its proper divisors (1).

104395609 is an equidigital number, since it uses as much as digits as its factorization.

104395609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 104395609 is about 10217.4169436311. The cubic root of 104395609 is about 470.8624709842.

The spelling of 104395609 in words is "one hundred four million, three hundred ninety-five thousand, six hundred nine".