528403 has 2 divisors, whose sum is σ = 528404. Its totient is φ = 528402.

The previous prime is 528401. The next prime is 528413. The reversal of 528403 is 304825.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 528403 - 2¹ = 528401 is a prime.

Together with 528401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (528401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264201 + 264202.

It is an arithmetic number, because the mean of its divisors is an integer number (264202).

2⁵²⁸⁴⁰³ is an apocalyptic number.

528403 is a deficient number, since it is larger than the sum of its proper divisors (1).

528403 is an equidigital number, since it uses as much as digits as its factorization.

528403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 528403 is about 726.9133373381. The cubic root of 528403 is about 80.8453585634.

The spelling of 528403 in words is "five hundred twenty-eight thousand, four hundred three".