522085512 has 64 divisors (see below), whose sum is σ = 1413135360. Its totient is φ = 159782400.

The previous prime is 522085511. The next prime is 522085517. The reversal of 522085512 is 215580225.

It is a self number, because there is not a number n which added to its sum of digits gives 522085512.

It is not an unprimeable number, because it can be changed into a prime (522085511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55212 + ... + 63972.

It is an arithmetic number, because the mean of its divisors is an integer number (22080240).

Almost surely, 2^522085512 is an apocalyptic number.

522085512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522085512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706567680).

522085512 is an abundant number, since it is smaller than the sum of its proper divisors (891049848).

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

522085512 is a wasteful number, since it uses less digits than its factorization.

522085512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8974 (or 8970 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 522085512 is about 22849.1906202386. The cubic root of 522085512 is about 805.2187525817.

The spelling of 522085512 in words is "five hundred twenty-two million, eighty-five thousand, five hundred twelve".