117316289 has 2 divisors, whose sum is σ = 117316290. Its totient is φ = 117316288.

The previous prime is 117316259. The next prime is 117316301. The reversal of 117316289 is 982613711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63043600 + 54272689 = 7940^2 + 7367^2 .

It is an emirp because it is prime and its reverse (982613711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117316289 - 2⁸ = 117316033 is a prime.

It is a super-2 number, since 2×117316289² = 27526223329463042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (117316259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58658144 + 58658145.

It is an arithmetic number, because the mean of its divisors is an integer number (58658145).

Almost surely, 2^117316289 is an apocalyptic number.

It is an amenable number.

117316289 is a deficient number, since it is larger than the sum of its proper divisors (1).

117316289 is an equidigital number, since it uses as much as digits as its factorization.

117316289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 117316289 is about 10831.2644229564. The cubic root of 117316289 is about 489.5376577414.

The spelling of 117316289 in words is "one hundred seventeen million, three hundred sixteen thousand, two hundred eighty-nine".