315751297 has 2 divisors, whose sum is σ = 315751298. Its totient is φ = 315751296.

The previous prime is 315751273. The next prime is 315751321. The reversal of 315751297 is 792157513.

It is a balanced prime because it is at equal distance from previous prime (315751273) and next prime (315751321).

It can be written as a sum of positive squares in only one way, i.e., 289136016 + 26615281 = 17004^2 + 5159^2 .

It is a cyclic number.

It is not a de Polignac number, because 315751297 - 2⁷ = 315751169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315751097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157875648 + 157875649.

It is an arithmetic number, because the mean of its divisors is an integer number (157875649).

Almost surely, 2^315751297 is an apocalyptic number.

It is an amenable number.

315751297 is a deficient number, since it is larger than the sum of its proper divisors (1).

315751297 is an equidigital number, since it uses as much as digits as its factorization.

315751297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66150, while the sum is 40.

The square root of 315751297 is about 17769.3921392939. The cubic root of 315751297 is about 680.9497232669.

The spelling of 315751297 in words is "three hundred fifteen million, seven hundred fifty-one thousand, two hundred ninety-seven".