8313917 has 2 divisors, whose sum is σ = 8313918. Its totient is φ = 8313916.

The previous prime is 8313913. The next prime is 8313919. The reversal of 8313917 is 7193138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6728836 + 1585081 = 2594^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 8313917 - 2² = 8313913 is a prime.

Together with 8313919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8313911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4156958 + 4156959.

It is an arithmetic number, because the mean of its divisors is an integer number (4156959).

Almost surely, 2^8313917 is an apocalyptic number.

It is an amenable number.

8313917 is a deficient number, since it is larger than the sum of its proper divisors (1).

8313917 is an equidigital number, since it uses as much as digits as its factorization.

8313917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 8313917 is about 2883.3863771614. The cubic root of 8313917 is about 202.5824853212.

The spelling of 8313917 in words is "eight million, three hundred thirteen thousand, nine hundred seventeen".