9318913 has 2 divisors, whose sum is σ = 9318914. Its totient is φ = 9318912.

The previous prime is 9318899. The next prime is 9318973. The reversal of 9318913 is 3198139.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7436529 + 1882384 = 2727^2 + 1372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9318913 is a prime.

It is not a weakly prime, because it can be changed into another prime (9318973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4659456 + 4659457.

It is an arithmetic number, because the mean of its divisors is an integer number (4659457).

Almost surely, 2^9318913 is an apocalyptic number.

It is an amenable number.

9318913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9318913 is an equidigital number, since it uses as much as digits as its factorization.

9318913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 34.

The square root of 9318913 is about 3052.6894699592. The cubic root of 9318913 is about 210.4368306832.

The spelling of 9318913 in words is "nine million, three hundred eighteen thousand, nine hundred thirteen".