117081593 has 2 divisors, whose sum is σ = 117081594. Its totient is φ = 117081592.

The previous prime is 117081577. The next prime is 117081599. The reversal of 117081593 is 395180711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89340304 + 27741289 = 9452^2 + 5267^2 .

It is an emirp because it is prime and its reverse (395180711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117081593 - 2⁴ = 117081577 is a prime.

It is not a weakly prime, because it can be changed into another prime (117081599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58540796 + 58540797.

It is an arithmetic number, because the mean of its divisors is an integer number (58540797).

Almost surely, 2^117081593 is an apocalyptic number.

It is an amenable number.

117081593 is a deficient number, since it is larger than the sum of its proper divisors (1).

117081593 is an equidigital number, since it uses as much as digits as its factorization.

117081593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 117081593 is about 10820.4248068179. The cubic root of 117081593 is about 489.2109931548.

The spelling of 117081593 in words is "one hundred seventeen million, eighty-one thousand, five hundred ninety-three".