506526 has 8 divisors (see below), whose sum is σ = 1013064. Its totient is φ = 168840.

The previous prime is 506507. The next prime is 506531. The reversal of 506526 is 625605.

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

506526 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 506496 and 506505.

It is a congruent number.

It is an unprimeable number.

506526 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 3 ways as a sum of consecutive naturals, for example, 42205 + ... + 42216.

It is an arithmetic number, because the mean of its divisors is an integer number (126633).

2⁵⁰⁶⁵²⁶ is an apocalyptic number.

506526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

506526 is a wasteful number, since it uses less digits than its factorization.

506526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84426.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 506526 is about 711.7064001398. The cubic root of 506526 is about 79.7138737001.

The spelling of 506526 in words is "five hundred six thousand, five hundred twenty-six".