315324487 has 2 divisors, whose sum is σ = 315324488. Its totient is φ = 315324486.

The previous prime is 315324469. The next prime is 315324599. The reversal of 315324487 is 784423513.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315324487 - 2¹¹ = 315322439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315324407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157662243 + 157662244.

It is an arithmetic number, because the mean of its divisors is an integer number (157662244).

Almost surely, 2^315324487 is an apocalyptic number.

315324487 is a deficient number, since it is larger than the sum of its proper divisors (1).

315324487 is an equidigital number, since it uses as much as digits as its factorization.

315324487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 315324487 is about 17757.3783819572. The cubic root of 315324487 is about 680.6427652208.

The spelling of 315324487 in words is "three hundred fifteen million, three hundred twenty-four thousand, four hundred eighty-seven".