117517 has 2 divisors, whose sum is σ = 117518. Its totient is φ = 117516.

The previous prime is 117511. The next prime is 117529. The reversal of 117517 is 715711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81796 + 35721 = 286^2 + 189^2 .

It is a cyclic number.

It is not a de Polignac number, because 117517 - 2⁷ = 117389 is a prime.

It is a nialpdrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58758 + 58759.

It is an arithmetic number, because the mean of its divisors is an integer number (58759).

2¹¹⁷⁵¹⁷ is an apocalyptic number.

It is an amenable number.

117517 is a deficient number, since it is larger than the sum of its proper divisors (1).

117517 is an equidigital number, since it uses as much as digits as its factorization.

117517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 245, while the sum is 22.

The square root of 117517 is about 342.8075261718. The cubic root of 117517 is about 48.9816674444.

The spelling of 117517 in words is "one hundred seventeen thousand, five hundred seventeen".