528217 has 2 divisors, whose sum is σ = 528218. Its totient is φ = 528216.

The previous prime is 528197. The next prime is 528223. The reversal of 528217 is 712825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447561 + 80656 = 669^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 528217 - 2¹⁵ = 495449 is a prime.

It is equal to p₄₃₆₉₃ and since 528217 and 43693 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 528191 and 528200.

It is not a weakly prime, because it can be changed into another prime (528247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264108 + 264109.

It is an arithmetic number, because the mean of its divisors is an integer number (264109).

2⁵²⁸²¹⁷ is an apocalyptic number.

It is an amenable number.

528217 is a deficient number, since it is larger than the sum of its proper divisors (1).

528217 is an equidigital number, since it uses as much as digits as its factorization.

528217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 25.

The square root of 528217 is about 726.7853878553. The cubic root of 528217 is about 80.8358714854.

The spelling of 528217 in words is "five hundred twenty-eight thousand, two hundred seventeen".