515272 has 16 divisors (see below), whose sum is σ = 999900. Its totient is φ = 248640.

The previous prime is 515237. The next prime is 515279. The reversal of 515272 is 272515.

It can be written as a sum of positive squares in 2 ways, for example, as 509796 + 5476 = 714^2 + 74^2 .

It is not an unprimeable number, because it can be changed into a prime (515279) by changing a digit.

515272 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879 + ... + 1342.

2⁵¹⁵²⁷² is an apocalyptic number.

It is an amenable number.

515272 is a deficient number, since it is larger than the sum of its proper divisors (484628).

515272 is a wasteful number, since it uses less digits than its factorization.

515272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256 (or 2252 counting only the distinct ones).

The product of its digits is 700, while the sum is 22.

The square root of 515272 is about 717.8244910840. The cubic root of 515272 is about 80.1700549271.

Adding to 515272 its reverse (272515), we get a palindrome (787787).

It can be divided in two parts, 51527 and 2, that added together give a square (51529 = 227²).

The spelling of 515272 in words is "five hundred fifteen thousand, two hundred seventy-two".