530000503 has 4 divisors (see below), whose sum is σ = 530435088. Its totient is φ = 529565920.

The previous prime is 530000501. The next prime is 530000507. The reversal of 530000503 is 305000035.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 530000503 - 2¹ = 530000501 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 (530000501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215458 + ... + 217903.

It is an arithmetic number, because the mean of its divisors is an integer number (132608772).

Almost surely, 2^530000503 is an apocalyptic number.

530000503 is a deficient number, since it is larger than the sum of its proper divisors (434585).

530000503 is a wasteful number, since it uses less digits than its factorization.

530000503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434584.

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

The square root of 530000503 is about 23021.7397909020. The cubic root of 530000503 is about 809.2674894700.

Adding to 530000503 its reverse (305000035), we get a palindrome (835000538).

The spelling of 530000503 in words is "five hundred thirty million, five hundred three", and thus it is an aban number.