117117493 has 2 divisors, whose sum is σ = 117117494. Its totient is φ = 117117492.

The previous prime is 117117487. The next prime is 117117523. The reversal of 117117493 is 394711711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97950609 + 19166884 = 9897^2 + 4378^2 .

It is a cyclic number.

It is not a de Polignac number, because 117117493 - 2⁵ = 117117461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117117433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58558746 + 58558747.

It is an arithmetic number, because the mean of its divisors is an integer number (58558747).

Almost surely, 2^117117493 is an apocalyptic number.

It is an amenable number.

117117493 is a deficient number, since it is larger than the sum of its proper divisors (1).

117117493 is an equidigital number, since it uses as much as digits as its factorization.

117117493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 34.

The square root of 117117493 is about 10822.0835794222. The cubic root of 117117493 is about 489.2609892856.

The spelling of 117117493 in words is "one hundred seventeen million, one hundred seventeen thousand, four hundred ninety-three".