315512052 has 24 divisors (see below), whose sum is σ = 736483776. Its totient is φ = 105129408.

The previous prime is 315512051. The next prime is 315512063. The reversal of 315512052 is 250215513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315512051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52128 + ... + 57864.

It is an arithmetic number, because the mean of its divisors is an integer number (30686824).

Almost surely, 2^315512052 is an apocalyptic number.

It is an amenable number.

315512052 is an abundant number, since it is smaller than the sum of its proper divisors (420971724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315512052 is a wasteful number, since it uses less digits than its factorization.

315512052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327 (or 10325 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 315512052 is about 17762.6589225825. The cubic root of 315512052 is about 680.7776944349. Note that the first 3 decimals are identical.

Adding to 315512052 its reverse (250215513), we get a palindrome (565727565).

The spelling of 315512052 in words is "three hundred fifteen million, five hundred twelve thousand, fifty-two".