104517609 has 16 divisors (see below), whose sum is σ = 161510400. Its totient is φ = 58882320.

The previous prime is 104517607. The next prime is 104517619. The reversal of 104517609 is 906715401.

It is not a de Polignac number, because 104517609 - 2¹ = 104517607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104517609.

It is not an unprimeable number, because it can be changed into a prime (104517601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33559 + ... + 36540.

It is an arithmetic number, because the mean of its divisors is an integer number (10094400).

Almost surely, 2^104517609 is an apocalyptic number.

It is an amenable number.

104517609 is a deficient number, since it is larger than the sum of its proper divisors (56992791).

104517609 is an equidigital number, since it uses as much as digits as its factorization.

104517609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70180.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 104517609 is about 10223.3853981937. The cubic root of 104517609 is about 471.0458211560.

The spelling of 104517609 in words is "one hundred four million, five hundred seventeen thousand, six hundred nine".