173893157 has 2 divisors, whose sum is σ = 173893158. Its totient is φ = 173893156.

The previous prime is 173893067. The next prime is 173893163. The reversal of 173893157 is 751398371.

173893157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173422561 + 470596 = 13169^2 + 686^2 .

It is an emirp because it is prime and its reverse (751398371) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173893157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173892157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86946578 + 86946579.

It is an arithmetic number, because the mean of its divisors is an integer number (86946579).

Almost surely, 2^173893157 is an apocalyptic number.

It is an amenable number.

173893157 is a deficient number, since it is larger than the sum of its proper divisors (1).

173893157 is an equidigital number, since it uses as much as digits as its factorization.

173893157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 44.

The square root of 173893157 is about 13186.8554629222. The cubic root of 173893157 is about 558.1627255868.

The spelling of 173893157 in words is "one hundred seventy-three million, eight hundred ninety-three thousand, one hundred fifty-seven".