522464 has 24 divisors (see below), whose sum is σ = 1065960. Its totient is φ = 251776.

The previous prime is 522449. The next prime is 522469. The reversal of 522464 is 464225.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522469) by changing a digit.

522464 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, 647 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (44415).

2⁵²²⁴⁶⁴ 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 522464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532980).

522464 is an abundant number, since it is smaller than the sum of its proper divisors (543496).

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

522464 is a wasteful number, since it uses less digits than its factorization.

522464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 594 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 522464 is about 722.8167125904. The cubic root of 522464 is about 80.5413287775.

Adding to 522464 its reverse (464225), we get a palindrome (986689).

The spelling of 522464 in words is "five hundred twenty-two thousand, four hundred sixty-four".