315025465 has 4 divisors (see below), whose sum is σ = 378030564. Its totient is φ = 252020368.

The previous prime is 315025433. The next prime is 315025483. The reversal of 315025465 is 564520513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235530409 + 79495056 = 15347^2 + 8916^2 .

It is a cyclic number.

It is not a de Polignac number, because 315025465 - 2⁵ = 315025433 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31502542 + ... + 31502551.

It is an arithmetic number, because the mean of its divisors is an integer number (94507641).

Almost surely, 2^315025465 is an apocalyptic number.

It is an amenable number.

315025465 is a deficient number, since it is larger than the sum of its proper divisors (63005099).

315025465 is an equidigital number, since it uses as much as digits as its factorization.

315025465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63005098.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 315025465 is about 17748.9567299039. The cubic root of 315025465 is about 680.4275461495.

Adding to 315025465 its reverse (564520513), we get a palindrome (879545978).

The spelling of 315025465 in words is "three hundred fifteen million, twenty-five thousand, four hundred sixty-five".