315223252 has 24 divisors (see below), whose sum is σ = 583333632. Its totient is φ = 148804800.

The previous prime is 315223247. The next prime is 315223267. The reversal of 315223252 is 252322513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25918 + ... + 36085.

It is an arithmetic number, because the mean of its divisors is an integer number (24305568).

Almost surely, 2^315223252 is an apocalyptic number.

It is an amenable number.

315223252 is a deficient number, since it is larger than the sum of its proper divisors (268110380).

315223252 is a wasteful number, since it uses less digits than its factorization.

315223252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62079 (or 62077 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 315223252 is about 17754.5276478987. The cubic root of 315223252 is about 680.5699172515.

Adding to 315223252 its reverse (252322513), we get a palindrome (567545765).

The spelling of 315223252 in words is "three hundred fifteen million, two hundred twenty-three thousand, two hundred fifty-two".