528000503 has 4 divisors (see below), whose sum is σ = 529906920. Its totient is φ = 526094088.

The previous prime is 528000497. The next prime is 528000511. The reversal of 528000503 is 305000825.

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 528000503 - 2⁸ = 528000247 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 (528000533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952793 + ... + 953346.

It is an arithmetic number, because the mean of its divisors is an integer number (132476730).

Almost surely, 2^528000503 is an apocalyptic number.

528000503 is a deficient number, since it is larger than the sum of its proper divisors (1906417).

528000503 is a wasteful number, since it uses less digits than its factorization.

528000503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906416.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 528000503 is about 22978.2615312821. The cubic root of 528000503 is about 808.2482607839.

The spelling of 528000503 in words is "five hundred twenty-eight million, five hundred three", and thus it is an aban number.