117561713 has 2 divisors, whose sum is σ = 117561714. Its totient is φ = 117561712.

The previous prime is 117561709. The next prime is 117561739. The reversal of 117561713 is 317165711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87179569 + 30382144 = 9337^2 + 5512^2 .

It is an emirp because it is prime and its reverse (317165711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117561713 - 2² = 117561709 is a prime.

It is equal to p_6710594 and since 117561713 and 6710594 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117561713.

It is not a weakly prime, because it can be changed into another prime (117561013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58780856 + 58780857.

It is an arithmetic number, because the mean of its divisors is an integer number (58780857).

Almost surely, 2^117561713 is an apocalyptic number.

It is an amenable number.

117561713 is a deficient number, since it is larger than the sum of its proper divisors (1).

117561713 is an equidigital number, since it uses as much as digits as its factorization.

117561713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 32.

The square root of 117561713 is about 10842.5879290878. The cubic root of 117561713 is about 489.8787885662.

The spelling of 117561713 in words is "one hundred seventeen million, five hundred sixty-one thousand, seven hundred thirteen".