104352109 has 2 divisors, whose sum is σ = 104352110. Its totient is φ = 104352108.

The previous prime is 104352097. The next prime is 104352133. The reversal of 104352109 is 901253401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75429225 + 28922884 = 8685^2 + 5378^2 .

It is a cyclic number.

It is not a de Polignac number, because 104352109 - 2⁵ = 104352077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104352139) 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 as a sum of consecutive naturals, namely, 52176054 + 52176055.

It is an arithmetic number, because the mean of its divisors is an integer number (52176055).

Almost surely, 2^104352109 is an apocalyptic number.

It is an amenable number.

104352109 is a deficient number, since it is larger than the sum of its proper divisors (1).

104352109 is an equidigital number, since it uses as much as digits as its factorization.

104352109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 104352109 is about 10215.2880037716. The cubic root of 104352109 is about 470.7970615822.

It can be divided in two parts, 10435 and 2109, that added together give a square (12544 = 112²).

The spelling of 104352109 in words is "one hundred four million, three hundred fifty-two thousand, one hundred nine".