528065 has 4 divisors (see below), whose sum is σ = 633684. Its totient is φ = 422448.

The previous prime is 528053. The next prime is 528091. The reversal of 528065 is 560825.

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

It can be written as a sum of positive squares in 2 ways, for example, as 323761 + 204304 = 569^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 528065 - 2⁶ = 528001 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 528065.

It is an unprimeable number.

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, 52802 + ... + 52811.

It is an arithmetic number, because the mean of its divisors is an integer number (158421).

2⁵²⁸⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

528065 is a deficient number, since it is larger than the sum of its proper divisors (105619).

528065 is a wasteful number, since it uses less digits than its factorization.

528065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105618.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 528065 is about 726.6808102599. The cubic root of 528065 is about 80.8281169506.

The spelling of 528065 in words is "five hundred twenty-eight thousand, sixty-five".