317189 has 2 divisors, whose sum is σ = 317190. Its totient is φ = 317188.

The previous prime is 317179. The next prime is 317197. The reversal of 317189 is 981713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297025 + 20164 = 545^2 + 142^2 .

It is an emirp because it is prime and its reverse (981713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317189 - 2¹⁶ = 251653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158594 + 158595.

It is an arithmetic number, because the mean of its divisors is an integer number (158595).

2³¹⁷¹⁸⁹ is an apocalyptic number.

It is an amenable number.

317189 is a deficient number, since it is larger than the sum of its proper divisors (1).

317189 is an equidigital number, since it uses as much as digits as its factorization.

317189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 29.

The square root of 317189 is about 563.1953479922. The cubic root of 317189 is about 68.1981676079.

The spelling of 317189 in words is "three hundred seventeen thousand, one hundred eighty-nine".