528209 has 8 divisors (see below), whose sum is σ = 595200. Its totient is φ = 464400.

The previous prime is 528197. The next prime is 528217. The reversal of 528209 is 902825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 528209 - 2¹² = 524113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (528289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434 + ... + 1115.

It is an arithmetic number, because the mean of its divisors is an integer number (74400).

2⁵²⁸²⁰⁹ is an apocalyptic number.

It is an amenable number.

528209 is a deficient number, since it is larger than the sum of its proper divisors (66991).

528209 is a wasteful number, since it uses less digits than its factorization.

528209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 528209 is about 726.7798841465. The cubic root of 528209 is about 80.8354633890.

It can be divided in two parts, 528 and 209, that added together give a palindrome (737).

The spelling of 528209 in words is "five hundred twenty-eight thousand, two hundred nine".