315473569 has 2 divisors, whose sum is σ = 315473570. Its totient is φ = 315473568.

The previous prime is 315473551. The next prime is 315473597. The reversal of 315473569 is 965374513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312865344 + 2608225 = 17688^2 + 1615^2 .

It is a cyclic number.

It is not a de Polignac number, because 315473569 - 2⁹ = 315473057 is a prime.

It is a super-2 number, since 2×315473569² = 199047145475195522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315473869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157736784 + 157736785.

It is an arithmetic number, because the mean of its divisors is an integer number (157736785).

Almost surely, 2^315473569 is an apocalyptic number.

It is an amenable number.

315473569 is a deficient number, since it is larger than the sum of its proper divisors (1).

315473569 is an equidigital number, since it uses as much as digits as its factorization.

315473569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 43.

The square root of 315473569 is about 17761.5756339352. The cubic root of 315473569 is about 680.7500151613.

The spelling of 315473569 in words is "three hundred fifteen million, four hundred seventy-three thousand, five hundred sixty-nine".