104437609 has 2 divisors, whose sum is σ = 104437610. Its totient is φ = 104437608.

The previous prime is 104437603. The next prime is 104437639. The reversal of 104437609 is 906734401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104101209 + 336400 = 10203^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 104437609 - 2³ = 104437601 is a prime.

It is not a weakly prime, because it can be changed into another prime (104437601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52218804 + 52218805.

It is an arithmetic number, because the mean of its divisors is an integer number (52218805).

Almost surely, 2^104437609 is an apocalyptic number.

It is an amenable number.

104437609 is a deficient number, since it is larger than the sum of its proper divisors (1).

104437609 is an equidigital number, since it uses as much as digits as its factorization.

104437609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 104437609 is about 10219.4720509427. The cubic root of 104437609 is about 470.9256076508.

The spelling of 104437609 in words is "one hundred four million, four hundred thirty-seven thousand, six hundred nine".