9391313 has 2 divisors, whose sum is σ = 9391314. Its totient is φ = 9391312.

The previous prime is 9391307. The next prime is 9391351. The reversal of 9391313 is 3131939.

9391313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6932689 + 2458624 = 2633^2 + 1568^2 .

It is a cyclic number.

It is not a de Polignac number, because 9391313 - 2¹⁰ = 9390289 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9391363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4695656 + 4695657.

It is an arithmetic number, because the mean of its divisors is an integer number (4695657).

Almost surely, 2^9391313 is an apocalyptic number.

It is an amenable number.

9391313 is a deficient number, since it is larger than the sum of its proper divisors (1).

9391313 is an equidigital number, since it uses as much as digits as its factorization.

9391313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2187, while the sum is 29.

The square root of 9391313 is about 3064.5249223982. The cubic root of 9391313 is about 210.9803969420.

The spelling of 9391313 in words is "nine million, three hundred ninety-one thousand, three hundred thirteen".