522516 has 12 divisors (see below), whose sum is σ = 1219232. Its totient is φ = 174168.

The previous prime is 522497. The next prime is 522517. The reversal of 522516 is 615225.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 522492 and 522501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522517) by changing a digit.

522516 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 21760 + ... + 21783.

2⁵²²⁵¹⁶ is an apocalyptic number.

It is an amenable number.

522516 is an abundant number, since it is smaller than the sum of its proper divisors (696716).

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

522516 is a wasteful number, since it uses less digits than its factorization.

522516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43550 (or 43548 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 522516 is about 722.8526820867. The cubic root of 522516 is about 80.5440007384.

The spelling of 522516 in words is "five hundred twenty-two thousand, five hundred sixteen".