528539 has 4 divisors (see below), whose sum is σ = 576600. Its totient is φ = 480480.

The previous prime is 528527. The next prime is 528559. The reversal of 528539 is 935825.

It is a happy number.

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

It is not a de Polignac number, because 528539 - 2¹⁶ = 463003 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (528509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24014 + ... + 24035.

It is an arithmetic number, because the mean of its divisors is an integer number (144150).

2⁵²⁸⁵³⁹ is an apocalyptic number.

528539 is a deficient number, since it is larger than the sum of its proper divisors (48061).

528539 is a wasteful number, since it uses less digits than its factorization.

528539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48060.

The product of its digits is 10800, while the sum is 32.

The square root of 528539 is about 727.0068775466. The cubic root of 528539 is about 80.8522939426.

The spelling of 528539 in words is "five hundred twenty-eight thousand, five hundred thirty-nine".