104357909 has 2 divisors, whose sum is σ = 104357910. Its totient is φ = 104357908.

The previous prime is 104357881. The next prime is 104357933. The reversal of 104357909 is 909753401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52200625 + 52157284 = 7225^2 + 7222^2 .

It is an emirp because it is prime and its reverse (909753401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104357909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104357999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52178954 + 52178955.

It is an arithmetic number, because the mean of its divisors is an integer number (52178955).

Almost surely, 2^104357909 is an apocalyptic number.

It is an amenable number.

104357909 is a deficient number, since it is larger than the sum of its proper divisors (1).

104357909 is an equidigital number, since it uses as much as digits as its factorization.

104357909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 104357909 is about 10215.5718880540. The cubic root of 104357909 is about 470.8057838859.

The spelling of 104357909 in words is "one hundred four million, three hundred fifty-seven thousand, nine hundred nine".