528069 has 4 divisors (see below), whose sum is σ = 704096. Its totient is φ = 352044.

The previous prime is 528053. The next prime is 528091. The reversal of 528069 is 960825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 528069 - 2⁴ = 528053 is a prime.

It is a super-2 number, since 2×528069² = 557713737522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 9 and base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 528069.

It is not an unprimeable number, because it can be changed into a prime (528469) 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, 88009 + ... + 88014.

It is an arithmetic number, because the mean of its divisors is an integer number (176024).

2⁵²⁸⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

528069 is a deficient number, since it is larger than the sum of its proper divisors (176027).

528069 is a wasteful number, since it uses less digits than its factorization.

528069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176026.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 528069 is about 726.6835624947. The cubic root of 528069 is about 80.8283210364.

The spelling of 528069 in words is "five hundred twenty-eight thousand, sixty-nine".