522512382 has 48 divisors (see below), whose sum is σ = 1221547392. Its totient is φ = 148564080.

The previous prime is 522512377. The next prime is 522512387. The reversal of 522512382 is 283215225.

It is an interprime number because it is at equal distance from previous prime (522512377) and next prime (522512387).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522512387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57823 + ... + 66245.

It is an arithmetic number, because the mean of its divisors is an integer number (25448904).

Almost surely, 2^522512382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522512382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610773696).

522512382 is an abundant number, since it is smaller than the sum of its proper divisors (699035010).

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

522512382 is a wasteful number, since it uses less digits than its factorization.

522512382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8653 (or 8646 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 522512382 is about 22858.5297427459. The cubic root of 522512382 is about 805.4381483732.

The spelling of 522512382 in words is "five hundred twenty-two million, five hundred twelve thousand, three hundred eighty-two".