522544 has 20 divisors (see below), whose sum is σ = 1104840. Its totient is φ = 237440.

The previous prime is 522541. The next prime is 522553. The reversal of 522544 is 445225.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (522541) by changing a digit.

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, 1309 + ... + 1660.

It is an arithmetic number, because the mean of its divisors is an integer number (55242).

2⁵²²⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

522544 is an abundant number, since it is smaller than the sum of its proper divisors (582296).

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

522544 is a wasteful number, since it uses less digits than its factorization.

522544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988 (or 2982 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 522544 is about 722.8720495357. The cubic root of 522544 is about 80.5454394132.

Adding to 522544 its reverse (445225), we get a palindrome (967769).

The spelling of 522544 in words is "five hundred twenty-two thousand, five hundred forty-four".