315247252 has 48 divisors (see below), whose sum is σ = 606045888. Its totient is φ = 142871040.

The previous prime is 315247211. The next prime is 315247253. The reversal of 315247252 is 252742513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315247253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268627 + ... + 269797.

It is an arithmetic number, because the mean of its divisors is an integer number (12625956).

Almost surely, 2^315247252 is an apocalyptic number.

It is an amenable number.

315247252 is a deficient number, since it is larger than the sum of its proper divisors (290798636).

315247252 is a wasteful number, since it uses less digits than its factorization.

315247252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1334 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 315247252 is about 17755.2035189687. The cubic root of 315247252 is about 680.5871888872.

Adding to 315247252 its reverse (252742513), we get a palindrome (567989765).

The spelling of 315247252 in words is "three hundred fifteen million, two hundred forty-seven thousand, two hundred fifty-two".