522432 has 42 divisors (see below), whose sum is σ = 1499108. Its totient is φ = 173952.

The previous prime is 522413. The next prime is 522439. The reversal of 522432 is 234225.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 5⁸ + 2 + 4 + 2¹⁶ + 3⁶ + 2¹⁶ .

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (522439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123 + ... + 1029.

2⁵²²⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749554).

522432 is an abundant number, since it is smaller than the sum of its proper divisors (976676).

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

522432 is a wasteful number, since it uses less digits than its factorization.

522432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 912 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 522432 is about 722.7945766260. The cubic root of 522432 is about 80.5396844057.

Adding to 522432 its reverse (234225), we get a palindrome (756657).

The spelling of 522432 in words is "five hundred twenty-two thousand, four hundred thirty-two".