315063457 has 2 divisors, whose sum is σ = 315063458. Its totient is φ = 315063456.

The previous prime is 315063433. The next prime is 315063487. The reversal of 315063457 is 754360513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229704336 + 85359121 = 15156^2 + 9239^2 .

It is an emirp because it is prime and its reverse (754360513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315063457 is a prime.

It is not a weakly prime, because it can be changed into another prime (315063487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157531728 + 157531729.

It is an arithmetic number, because the mean of its divisors is an integer number (157531729).

Almost surely, 2^315063457 is an apocalyptic number.

It is an amenable number.

315063457 is a deficient number, since it is larger than the sum of its proper divisors (1).

315063457 is an equidigital number, since it uses as much as digits as its factorization.

315063457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 315063457 is about 17750.0269577260. The cubic root of 315063457 is about 680.4548981862.

The spelling of 315063457 in words is "three hundred fifteen million, sixty-three thousand, four hundred fifty-seven".