117304409 has 2 divisors, whose sum is σ = 117304410. Its totient is φ = 117304408.

The previous prime is 117304399. The next prime is 117304427. The reversal of 117304409 is 904403711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104142025 + 13162384 = 10205^2 + 3628^2 .

It is an emirp because it is prime and its reverse (904403711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117304409 - 2⁸ = 117304153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117304459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58652204 + 58652205.

It is an arithmetic number, because the mean of its divisors is an integer number (58652205).

Almost surely, 2^117304409 is an apocalyptic number.

It is an amenable number.

117304409 is a deficient number, since it is larger than the sum of its proper divisors (1).

117304409 is an equidigital number, since it uses as much as digits as its factorization.

117304409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 117304409 is about 10830.7159966458. The cubic root of 117304409 is about 489.5211328872.

The spelling of 117304409 in words is "one hundred seventeen million, three hundred four thousand, four hundred nine".