117302389 has 2 divisors, whose sum is σ = 117302390. Its totient is φ = 117302388.

The previous prime is 117302351. The next prime is 117302401. The reversal of 117302389 is 983203711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88679889 + 28622500 = 9417^2 + 5350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117302389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117302989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58651194 + 58651195.

It is an arithmetic number, because the mean of its divisors is an integer number (58651195).

Almost surely, 2^117302389 is an apocalyptic number.

It is an amenable number.

117302389 is a deficient number, since it is larger than the sum of its proper divisors (1).

117302389 is an equidigital number, since it uses as much as digits as its factorization.

117302389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 117302389 is about 10830.6227429451. The cubic root of 117302389 is about 489.5183229946.

The spelling of 117302389 in words is "one hundred seventeen million, three hundred two thousand, three hundred eighty-nine".