521252 has 12 divisors (see below), whose sum is σ = 919296. Its totient is φ = 258600.

The previous prime is 521251. The next prime is 521267. The reversal of 521252 is 252125.

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

It is a self number, because there is not a number n which added to its sum of digits gives 521252.

It is not an unprimeable number, because it can be changed into a prime (521251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2⁵²¹²⁵² is an apocalyptic number.

It is an amenable number.

521252 is a deficient number, since it is larger than the sum of its proper divisors (398044).

521252 is a wasteful number, since it uses less digits than its factorization.

521252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1016 counting only the distinct ones).

The product of its digits is 200, while the sum is 17.

The square root of 521252 is about 721.9778389951. The cubic root of 521252 is about 80.4790012484.

Adding to 521252 its reverse (252125), we get a palindrome (773377).

The spelling of 521252 in words is "five hundred twenty-one thousand, two hundred fifty-two".