522011 has 4 divisors (see below), whose sum is σ = 596592. Its totient is φ = 447432.

The previous prime is 521999. The next prime is 522017. The reversal of 522011 is 110225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522011 - 2¹⁸ = 259867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 521983 and 522001.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522011.

It is not an unprimeable number, because it can be changed into a prime (522017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37280 + ... + 37293.

It is an arithmetic number, because the mean of its divisors is an integer number (149148).

2⁵²²⁰¹¹ is an apocalyptic number.

522011 is a deficient number, since it is larger than the sum of its proper divisors (74581).

522011 is an equidigital number, since it uses as much as digits as its factorization.

522011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74580.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 522011 is about 722.5032871898. The cubic root of 522011 is about 80.5180443842.

Adding to 522011 its reverse (110225), we get a palindrome (632236).

The spelling of 522011 in words is "five hundred twenty-two thousand, eleven".