522036 has 36 divisors (see below), whose sum is σ = 1398852. Its totient is φ = 163584.

The previous prime is 522017. The next prime is 522037. The reversal of 522036 is 630225.

It can be written as a sum of positive squares in 2 ways, for example, as 197136 + 324900 = 444^2 + 570^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522036.

It is not an unprimeable number, because it can be changed into a prime (522037) by changing a digit.

522036 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186 + ... + 1038.

It is an arithmetic number, because the mean of its divisors is an integer number (38857).

2⁵²²⁰³⁶ 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 522036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699426).

522036 is an abundant number, since it is smaller than the sum of its proper divisors (876816).

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

522036 is a wasteful number, since it uses less digits than its factorization.

522036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 522036 is about 722.5205879420. The cubic root of 522036 is about 80.5193297460.

The spelling of 522036 in words is "five hundred twenty-two thousand, thirty-six".