530503 has 8 divisors (see below), whose sum is σ = 556160. Its totient is φ = 505440.

The previous prime is 530501. The next prime is 530507. The reversal of 530503 is 305035.

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 530503 - 2¹ = 530501 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 (530501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3301 + ... + 3457.

It is an arithmetic number, because the mean of its divisors is an integer number (69520).

2⁵³⁰⁵⁰³ is an apocalyptic number.

530503 is a deficient number, since it is larger than the sum of its proper divisors (25657).

530503 is a wasteful number, since it uses less digits than its factorization.

530503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297.

The product of its (nonzero) digits is 225, while the sum is 16.

The square root of 530503 is about 728.3563688195. The cubic root of 530503 is about 80.9523165980.

Adding to 530503 its reverse (305035), we get a palindrome (835538).

The spelling of 530503 in words is "five hundred thirty thousand, five hundred three".