173117053 has 2 divisors, whose sum is σ = 173117054. Its totient is φ = 173117052.

The previous prime is 173117023. The next prime is 173117071. The reversal of 173117053 is 350711371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173106649 + 10404 = 13157^2 + 102^2 .

It is an emirp because it is prime and its reverse (350711371) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173117053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173117003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86558526 + 86558527.

It is an arithmetic number, because the mean of its divisors is an integer number (86558527).

Almost surely, 2^173117053 is an apocalyptic number.

It is an amenable number.

173117053 is a deficient number, since it is larger than the sum of its proper divisors (1).

173117053 is an equidigital number, since it uses as much as digits as its factorization.

173117053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 173117053 is about 13157.3953729452. The cubic root of 173117053 is about 557.3311069163.

The spelling of 173117053 in words is "one hundred seventy-three million, one hundred seventeen thousand, fifty-three".