315500252 has 12 divisors (see below), whose sum is σ = 552321000. Its totient is φ = 157694256.

The previous prime is 315500249. The next prime is 315500261. The reversal of 315500252 is 252005513.

It is a congruent 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, 374 + ... + 25122.

It is an arithmetic number, because the mean of its divisors is an integer number (46026750).

Almost surely, 2^315500252 is an apocalyptic number.

It is an amenable number.

315500252 is a deficient number, since it is larger than the sum of its proper divisors (236820748).

315500252 is a wasteful number, since it uses less digits than its factorization.

315500252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27940 (or 27938 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 315500252 is about 17762.3267619983. The cubic root of 315500252 is about 680.7692074089.

Adding to 315500252 its reverse (252005513), we get a palindrome (567505765).

The spelling of 315500252 in words is "three hundred fifteen million, five hundred thousand, two hundred fifty-two".