317547089 has 2 divisors, whose sum is σ = 317547090. Its totient is φ = 317547088.

The previous prime is 317547077. The next prime is 317547107. The reversal of 317547089 is 980745713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213160000 + 104387089 = 14600^2 + 10217^2 .

It is an emirp because it is prime and its reverse (980745713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317547089 - 2²⁰ = 316498513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (317547059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158773544 + 158773545.

It is an arithmetic number, because the mean of its divisors is an integer number (158773545).

Almost surely, 2^317547089 is an apocalyptic number.

It is an amenable number.

317547089 is a deficient number, since it is larger than the sum of its proper divisors (1).

317547089 is an equidigital number, since it uses as much as digits as its factorization.

317547089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 317547089 is about 17819.8509814196. The cubic root of 317547089 is about 682.2382195421.

The spelling of 317547089 in words is "three hundred seventeen million, five hundred forty-seven thousand, eighty-nine".