522889 has 4 divisors (see below), whose sum is σ = 524356. Its totient is φ = 521424.

The previous prime is 522887. The next prime is 522919. The reversal of 522889 is 988225.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11664 + 511225 = 108^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 522889 - 2¹ = 522887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522881) 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, 187 + ... + 1039.

It is an arithmetic number, because the mean of its divisors is an integer number (131089).

2⁵²²⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

522889 is a deficient number, since it is larger than the sum of its proper divisors (1467).

522889 is an equidigital number, since it uses as much as digits as its factorization.

522889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466.

The product of its digits is 11520, while the sum is 34.

The square root of 522889 is about 723.1106416033. The cubic root of 522889 is about 80.5631617251.

The spelling of 522889 in words is "five hundred twenty-two thousand, eight hundred eighty-nine".