104517309 has 32 divisors (see below), whose sum is σ = 167287680. Its totient is φ = 57341952.

The previous prime is 104517307. The next prime is 104517367. The reversal of 104517309 is 903715401.

It is not a de Polignac number, because 104517309 - 2¹ = 104517307 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104517307) 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 31 ways as a sum of consecutive naturals, for example, 8449 + ... + 16745.

It is an arithmetic number, because the mean of its divisors is an integer number (5227740).

Almost surely, 2^104517309 is an apocalyptic number.

104517309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

104517309 is a deficient number, since it is larger than the sum of its proper divisors (62770371).

104517309 is a wasteful number, since it uses less digits than its factorization.

104517309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8349.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 104517309 is about 10223.3707259397. The cubic root of 104517309 is about 471.0453704700.

The spelling of 104517309 in words is "one hundred four million, five hundred seventeen thousand, three hundred nine".