528303 has 8 divisors (see below), whose sum is σ = 708400. Its totient is φ = 350208.

The previous prime is 528299. The next prime is 528313. The reversal of 528303 is 303825.

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

It is not a de Polignac number, because 528303 - 2² = 528299 is a prime.

It is a Duffinian number.

528303 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 528303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303 + ... + 1071.

It is an arithmetic number, because the mean of its divisors is an integer number (88550).

2⁵²⁸³⁰³ is an apocalyptic number.

528303 is a deficient number, since it is larger than the sum of its proper divisors (180097).

528303 is a wasteful number, since it uses less digits than its factorization.

528303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 528303 is about 726.8445500931. The cubic root of 528303 is about 80.8402582605.

The spelling of 528303 in words is "five hundred twenty-eight thousand, three hundred three".