522706 has 4 divisors (see below), whose sum is σ = 784062. Its totient is φ = 261352.

The previous prime is 522703. The next prime is 522707. The reversal of 522706 is 607225.

522706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 455625 + 67081 = 675^2 + 259^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (522703) by changing a digit.

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 as a sum of consecutive naturals, namely, 130675 + ... + 130678.

2⁵²²⁷⁰⁶ is an apocalyptic number.

522706 is a deficient number, since it is larger than the sum of its proper divisors (261356).

522706 is a wasteful number, since it uses less digits than its factorization.

522706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261355.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 522706 is about 722.9840938776. The cubic root of 522706 is about 80.5537621656.

The spelling of 522706 in words is "five hundred twenty-two thousand, seven hundred six".