315066863 has 2 divisors, whose sum is σ = 315066864. Its totient is φ = 315066862.

The previous prime is 315066859. The next prime is 315066889. The reversal of 315066863 is 368660513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315066863 - 2² = 315066859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315066823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157533431 + 157533432.

It is an arithmetic number, because the mean of its divisors is an integer number (157533432).

Almost surely, 2^315066863 is an apocalyptic number.

315066863 is a deficient number, since it is larger than the sum of its proper divisors (1).

315066863 is an equidigital number, since it uses as much as digits as its factorization.

315066863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 315066863 is about 17750.1229009830. The cubic root of 315066863 is about 680.4573502012.

The spelling of 315066863 in words is "three hundred fifteen million, sixty-six thousand, eight hundred sixty-three".