315327293 has 2 divisors, whose sum is σ = 315327294. Its totient is φ = 315327292.

The previous prime is 315327161. The next prime is 315327301. The reversal of 315327293 is 392723513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313892089 + 1435204 = 17717^2 + 1198^2 .

It is a cyclic number.

It is not a de Polignac number, because 315327293 - 2⁸ = 315327037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315320293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157663646 + 157663647.

It is an arithmetic number, because the mean of its divisors is an integer number (157663647).

Almost surely, 2^315327293 is an apocalyptic number.

It is an amenable number.

315327293 is a deficient number, since it is larger than the sum of its proper divisors (1).

315327293 is an equidigital number, since it uses as much as digits as its factorization.

315327293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 35.

The square root of 315327293 is about 17757.4573911920. The cubic root of 315327293 is about 680.6447841759.

The spelling of 315327293 in words is "three hundred fifteen million, three hundred twenty-seven thousand, two hundred ninety-three".