315463387 has 2 divisors, whose sum is σ = 315463388. Its totient is φ = 315463386.

The previous prime is 315463381. The next prime is 315463427. The reversal of 315463387 is 783364513.

It is an a-pointer prime, because the next prime (315463427) can be obtained adding 315463387 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315463387 is a prime.

It is not a weakly prime, because it can be changed into another prime (315463381) 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, 157731693 + 157731694.

It is an arithmetic number, because the mean of its divisors is an integer number (157731694).

Almost surely, 2^315463387 is an apocalyptic number.

315463387 is a deficient number, since it is larger than the sum of its proper divisors (1).

315463387 is an equidigital number, since it uses as much as digits as its factorization.

315463387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 315463387 is about 17761.2890016462. The cubic root of 315463387 is about 680.7426912818.

The spelling of 315463387 in words is "three hundred fifteen million, four hundred sixty-three thousand, three hundred eighty-seven".