8471317 has 2 divisors, whose sum is σ = 8471318. Its totient is φ = 8471316.

The previous prime is 8471303. The next prime is 8471347. The reversal of 8471317 is 7131748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4435236 + 4036081 = 2106^2 + 2009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8471317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8471347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4235658 + 4235659.

It is an arithmetic number, because the mean of its divisors is an integer number (4235659).

Almost surely, 2^8471317 is an apocalyptic number.

It is an amenable number.

8471317 is a deficient number, since it is larger than the sum of its proper divisors (1).

8471317 is an equidigital number, since it uses as much as digits as its factorization.

8471317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 8471317 is about 2910.5526966540. The cubic root of 8471317 is about 203.8529393146.

The spelling of 8471317 in words is "eight million, four hundred seventy-one thousand, three hundred seventeen".