315247272 has 16 divisors (see below), whose sum is σ = 788118240. Its totient is φ = 105082416.

The previous prime is 315247253. The next prime is 315247301. The reversal of 315247272 is 272742513.

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, 6567628 + ... + 6567675.

It is an arithmetic number, because the mean of its divisors is an integer number (49257390).

Almost surely, 2^315247272 is an apocalyptic number.

It is an amenable number.

315247272 is an abundant number, since it is smaller than the sum of its proper divisors (472870968).

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

315247272 is a wasteful number, since it uses less digits than its factorization.

315247272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13135312 (or 13135308 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 315247272 is about 17755.2040821839. The cubic root of 315247272 is about 680.5872032799.

Adding to 315247272 its reverse (272742513), we get a palindrome (587989785).

The spelling of 315247272 in words is "three hundred fifteen million, two hundred forty-seven thousand, two hundred seventy-two".