173159117 has 2 divisors, whose sum is σ = 173159118. Its totient is φ = 173159116.

The previous prime is 173159101. The next prime is 173159123. The reversal of 173159117 is 711951371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142898116 + 30261001 = 11954^2 + 5501^2 .

It is a cyclic number.

It is not a de Polignac number, because 173159117 - 2⁴ = 173159101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173159177) 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, 86579558 + 86579559.

It is an arithmetic number, because the mean of its divisors is an integer number (86579559).

Almost surely, 2^173159117 is an apocalyptic number.

It is an amenable number.

173159117 is a deficient number, since it is larger than the sum of its proper divisors (1).

173159117 is an equidigital number, since it uses as much as digits as its factorization.

173159117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6615, while the sum is 35.

The square root of 173159117 is about 13158.9937685220. The cubic root of 173159117 is about 557.3762433846.

The spelling of 173159117 in words is "one hundred seventy-three million, one hundred fifty-nine thousand, one hundred seventeen".