104252209 has 4 divisors (see below), whose sum is σ = 104358400. Its totient is φ = 104146020.

The previous prime is 104252207. The next prime is 104252227. The reversal of 104252209 is 902252401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104252209 - 2¹ = 104252207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104252207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51609 + ... + 53590.

It is an arithmetic number, because the mean of its divisors is an integer number (26089600).

Almost surely, 2^104252209 is an apocalyptic number.

It is an amenable number.

104252209 is a deficient number, since it is larger than the sum of its proper divisors (106191).

104252209 is an equidigital number, since it uses as much as digits as its factorization.

104252209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106190.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 104252209 is about 10210.3971029534. The cubic root of 104252209 is about 470.6467766684.

The spelling of 104252209 in words is "one hundred four million, two hundred fifty-two thousand, two hundred nine".