515252 has 6 divisors (see below), whose sum is σ = 901698. Its totient is φ = 257624.

The previous prime is 515237. The next prime is 515279. The reversal of 515252 is 252515.

It can be written as a sum of positive squares in only one way, i.e., 309136 + 206116 = 556^2 + 454^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64403 + ... + 64410.

It is an arithmetic number, because the mean of its divisors is an integer number (150283).

2⁵¹⁵²⁵² is an apocalyptic number.

It is an amenable number.

515252 is a deficient number, since it is larger than the sum of its proper divisors (386446).

515252 is a wasteful number, since it uses less digits than its factorization.

515252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128817 (or 128815 counting only the distinct ones).

The product of its digits is 500, while the sum is 20.

The square root of 515252 is about 717.8105599669. The cubic root of 515252 is about 80.1690176614.

Adding to 515252 its reverse (252515), we get a palindrome (767767).

It can be divided in two parts, 515 and 252, that added together give a palindrome (767).

The spelling of 515252 in words is "five hundred fifteen thousand, two hundred fifty-two".