522540544 has 40 divisors (see below), whose sum is σ = 1046651760. Its totient is φ = 260622336.

The previous prime is 522540541. The next prime is 522540547. The reversal of 522540544 is 445045225.

It is an interprime number because it is at equal distance from previous prime (522540541) and next prime (522540547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522540541) 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, 256522 + ... + 258550.

It is an arithmetic number, because the mean of its divisors is an integer number (26166294).

Almost surely, 2^522540544 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 522540544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523325880).

522540544 is an abundant number, since it is smaller than the sum of its proper divisors (524111216).

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

522540544 is an equidigital number, since it uses as much as digits as its factorization.

522540544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550 (or 2534 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 522540544 is about 22859.1457408189. The cubic root of 522540544 is about 805.4526184237.

Adding to 522540544 its reverse (445045225), we get a palindrome (967585769).

The spelling of 522540544 in words is "five hundred twenty-two million, five hundred forty thousand, five hundred forty-four".