9315913 has 2 divisors, whose sum is σ = 9315914. Its totient is φ = 9315912.

The previous prime is 9315899. The next prime is 9315959. The reversal of 9315913 is 3195139.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5442889 + 3873024 = 2333^2 + 1968^2 .

It is a cyclic number.

It is not a de Polignac number, because 9315913 - 2¹⁷ = 9184841 is a prime.

It is not a weakly prime, because it can be changed into another prime (9315973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4657956 + 4657957.

It is an arithmetic number, because the mean of its divisors is an integer number (4657957).

Almost surely, 2^9315913 is an apocalyptic number.

It is an amenable number.

9315913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9315913 is an equidigital number, since it uses as much as digits as its factorization.

9315913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3645, while the sum is 31.

The square root of 9315913 is about 3052.1980604148. The cubic root of 9315913 is about 210.4142465667.

The spelling of 9315913 in words is "nine million, three hundred fifteen thousand, nine hundred thirteen".