522531072 has 216 divisors, whose sum is σ = 1740997440. Its totient is φ = 147640320.

The previous prime is 522531059. The next prime is 522531109. The reversal of 522531072 is 270135225.

It is an unprimeable 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 23 ways as a sum of consecutive naturals, for example, 2886822 + ... + 2887002.

Almost surely, 2^522531072 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 522531072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870498720).

522531072 is an abundant number, since it is smaller than the sum of its proper divisors (1218466368).

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

522531072 is a wasteful number, since it uses less digits than its factorization.

522531072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 522531072 is about 22858.9385580346. The cubic root of 522531072 is about 805.4477516286.

Adding to 522531072 its reverse (270135225), we get a palindrome (792666297).

The spelling of 522531072 in words is "five hundred twenty-two million, five hundred thirty-one thousand, seventy-two".