317467247 has 2 divisors, whose sum is σ = 317467248. Its totient is φ = 317467246.

The previous prime is 317467211. The next prime is 317467253. The reversal of 317467247 is 742764713.

It is a strong prime.

It is an emirp because it is prime and its reverse (742764713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317467247 - 2¹⁴ = 317450863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317467277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158733623 + 158733624.

It is an arithmetic number, because the mean of its divisors is an integer number (158733624).

Almost surely, 2^317467247 is an apocalyptic number.

317467247 is a deficient number, since it is larger than the sum of its proper divisors (1).

317467247 is an equidigital number, since it uses as much as digits as its factorization.

317467247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 41.

The square root of 317467247 is about 17817.6105861589. The cubic root of 317467247 is about 682.1810355509.

The spelling of 317467247 in words is "three hundred seventeen million, four hundred sixty-seven thousand, two hundred forty-seven".