104409913 has 2 divisors, whose sum is σ = 104409914. Its totient is φ = 104409912.

The previous prime is 104409859. The next prime is 104409917. The reversal of 104409913 is 319904401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53758224 + 50651689 = 7332^2 + 7117^2 .

It is a cyclic number.

It is not a de Polignac number, because 104409913 - 2²¹ = 102312761 is a prime.

It is not a weakly prime, because it can be changed into another prime (104409917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52204956 + 52204957.

It is an arithmetic number, because the mean of its divisors is an integer number (52204957).

Almost surely, 2^104409913 is an apocalyptic number.

It is an amenable number.

104409913 is a deficient number, since it is larger than the sum of its proper divisors (1).

104409913 is an equidigital number, since it uses as much as digits as its factorization.

104409913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 104409913 is about 10218.1169008776. The cubic root of 104409913 is about 470.8839754301.

The spelling of 104409913 in words is "one hundred four million, four hundred nine thousand, nine hundred thirteen".