315274591 has 2 divisors, whose sum is σ = 315274592. Its totient is φ = 315274590.

The previous prime is 315274559. The next prime is 315274601. The reversal of 315274591 is 195472513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315274591 - 2⁵ = 315274559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315274591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315244591) 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, 157637295 + 157637296.

It is an arithmetic number, because the mean of its divisors is an integer number (157637296).

Almost surely, 2^315274591 is an apocalyptic number.

315274591 is a deficient number, since it is larger than the sum of its proper divisors (1).

315274591 is an equidigital number, since it uses as much as digits as its factorization.

315274591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 315274591 is about 17755.9733892569. The cubic root of 315274591 is about 680.6068623712.

The spelling of 315274591 in words is "three hundred fifteen million, two hundred seventy-four thousand, five hundred ninety-one".