315455863 has 2 divisors, whose sum is σ = 315455864. Its totient is φ = 315455862.

The previous prime is 315455839. The next prime is 315455867. The reversal of 315455863 is 368554513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315455863 - 2⁹ = 315455351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315455867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157727931 + 157727932.

It is an arithmetic number, because the mean of its divisors is an integer number (157727932).

Almost surely, 2^315455863 is an apocalyptic number.

315455863 is a deficient number, since it is larger than the sum of its proper divisors (1).

315455863 is an equidigital number, since it uses as much as digits as its factorization.

315455863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 40.

The square root of 315455863 is about 17761.0771914318. The cubic root of 315455863 is about 680.7372791917.

The spelling of 315455863 in words is "three hundred fifteen million, four hundred fifty-five thousand, eight hundred sixty-three".