522506 has 8 divisors (see below), whose sum is σ = 793920. Its totient is φ = 257868.

The previous prime is 522497. The next prime is 522517. The reversal of 522506 is 605225.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable 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, 1496 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (99240).

2⁵²²⁵⁰⁶ is an apocalyptic number.

522506 is a deficient number, since it is larger than the sum of its proper divisors (271414).

522506 is a wasteful number, since it uses less digits than its factorization.

522506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 522506 is about 722.8457650149. The cubic root of 522506 is about 80.5434869135.

The spelling of 522506 in words is "five hundred twenty-two thousand, five hundred six".