315251000297 has 2 divisors, whose sum is σ = 315251000298. Its totient is φ = 315251000296.

The previous prime is 315251000261. The next prime is 315251000299. The reversal of 315251000297 is 792000152513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272029006096 + 43221994201 = 521564^2 + 207899^2 .

It is an emirp because it is prime and its reverse (792000152513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315251000297 is a prime.

Together with 315251000299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315251000299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157625500148 + 157625500149.

It is an arithmetic number, because the mean of its divisors is an integer number (157625500149).

Almost surely, 2^315251000297 is an apocalyptic number.

It is an amenable number.

315251000297 is a deficient number, since it is larger than the sum of its proper divisors (1).

315251000297 is an equidigital number, since it uses as much as digits as its factorization.

315251000297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 315251000297 in words is "three hundred fifteen billion, two hundred fifty-one million, two hundred ninety-seven", and thus it is an aban number.