530403 has 8 divisors (see below), whose sum is σ = 738048. Its totient is φ = 338184.

The previous prime is 530401. The next prime is 530429. The reversal of 530403 is 304035.

530403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 530403 - 2¹ = 530401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (530401) 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, 3775 + ... + 3912.

It is an arithmetic number, because the mean of its divisors is an integer number (92256).

2⁵³⁰⁴⁰³ is an apocalyptic number.

530403 is a deficient number, since it is larger than the sum of its proper divisors (207645).

530403 is a wasteful number, since it uses less digits than its factorization.

530403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 530403 is about 728.2877178698. The cubic root of 530403 is about 80.9472297650.

Adding to 530403 its reverse (304035), we get a palindrome (834438).

The spelling of 530403 in words is "five hundred thirty thousand, four hundred three".