506303 has 8 divisors (see below), whose sum is σ = 583680. Its totient is φ = 430200.

The previous prime is 506291. The next prime is 506327. The reversal of 506303 is 303605.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 506303 - 2⁸ = 506047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818 + ... + 1296.

It is an arithmetic number, because the mean of its divisors is an integer number (72960).

2⁵⁰⁶³⁰³ is an apocalyptic number.

506303 is a deficient number, since it is larger than the sum of its proper divisors (77377).

506303 is a wasteful number, since it uses less digits than its factorization.

506303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 506303 is about 711.5497171667. The cubic root of 506303 is about 79.7021738709.

Adding to 506303 its reverse (303605), we get a palindrome (809908).

The spelling of 506303 in words is "five hundred six thousand, three hundred three".