505252 has 12 divisors (see below), whose sum is σ = 964656. Its totient is φ = 229640.

The previous prime is 505237. The next prime is 505277. The reversal of 505252 is 252505.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

505252 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, 5698 + ... + 5785.

It is an arithmetic number, because the mean of its divisors is an integer number (80388).

2⁵⁰⁵²⁵² is an apocalyptic number.

It is an amenable number.

505252 is a deficient number, since it is larger than the sum of its proper divisors (459404).

505252 is a wasteful number, since it uses less digits than its factorization.

505252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11498 (or 11496 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 505252 is about 710.8108046449. The cubic root of 505252 is about 79.6469862238.

Adding to 505252 its reverse (252505), we get a palindrome (757757).

It can be divided in two parts, 505 and 252, that multiplied together give a triangular number (127260 = T₅₀₄).

The spelling of 505252 in words is "five hundred five thousand, two hundred fifty-two".