117497 has 2 divisors, whose sum is σ = 117498. Its totient is φ = 117496.

The previous prime is 117443. The next prime is 117499. The reversal of 117497 is 794711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90601 + 26896 = 301^2 + 164^2 .

It is an emirp because it is prime and its reverse (794711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117497 - 2⁸ = 117241 is a prime.

Together with 117499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58748 + 58749.

It is an arithmetic number, because the mean of its divisors is an integer number (58749).

2¹¹⁷⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

117497 is a deficient number, since it is larger than the sum of its proper divisors (1).

117497 is an equidigital number, since it uses as much as digits as its factorization.

117497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 29.

The square root of 117497 is about 342.7783540424. The cubic root of 117497 is about 48.9788885871.

The spelling of 117497 in words is "one hundred seventeen thousand, four hundred ninety-seven".