913338317 has 2 divisors, whose sum is σ = 913338318. Its totient is φ = 913338316.

The previous prime is 913338199. The next prime is 913338319. The reversal of 913338317 is 713833319.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 633579241 + 279759076 = 25171^2 + 16726^2 .

It is an emirp because it is prime and its reverse (713833319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 913338317 - 2¹⁶ = 913272781 is a prime.

Together with 913338319, 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 (913338319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456669158 + 456669159.

It is an arithmetic number, because the mean of its divisors is an integer number (456669159).

Almost surely, 2^913338317 is an apocalyptic number.

It is an amenable number.

913338317 is a deficient number, since it is larger than the sum of its proper divisors (1).

913338317 is an equidigital number, since it uses as much as digits as its factorization.

913338317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 913338317 is about 30221.4876701992. The cubic root of 913338317 is about 970.2356450911.

The spelling of 913338317 in words is "nine hundred thirteen million, three hundred thirty-eight thousand, three hundred seventeen".