521232 has 20 divisors (see below), whose sum is σ = 1346640. Its totient is φ = 173728.

The previous prime is 521231. The next prime is 521243. The reversal of 521232 is 232125.

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

It is not an unprimeable number, because it can be changed into a prime (521231) 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, 5382 + ... + 5477.

It is an arithmetic number, because the mean of its divisors is an integer number (67332).

2⁵²¹²³² is an apocalyptic number.

It is an amenable number.

521232 is an abundant number, since it is smaller than the sum of its proper divisors (825408).

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

521232 is a wasteful number, since it uses less digits than its factorization.

521232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10870 (or 10864 counting only the distinct ones).

The product of its digits is 120, while the sum is 15.

The square root of 521232 is about 721.9639880216. The cubic root of 521232 is about 80.4779719314.

Adding to 521232 its reverse (232125), we get a palindrome (753357).

It can be divided in two parts, 52123 and 2, that added together give a palindrome (52125).

The spelling of 521232 in words is "five hundred twenty-one thousand, two hundred thirty-two".