528216001 has 2 divisors, whose sum is σ = 528216002. Its totient is φ = 528216000.

The previous prime is 528215971. The next prime is 528216023. The reversal of 528216001 is 100612825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316804401 + 211411600 = 17799^2 + 14540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528216001 is a prime.

It is not a weakly prime, because it can be changed into another prime (528216901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264108000 + 264108001.

It is an arithmetic number, because the mean of its divisors is an integer number (264108001).

Almost surely, 2^528216001 is an apocalyptic number.

It is an amenable number.

528216001 is a deficient number, since it is larger than the sum of its proper divisors (1).

528216001 is an equidigital number, since it uses as much as digits as its factorization.

528216001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 528216001 is about 22982.9502240248. The cubic root of 528216001 is about 808.3582052455.

Adding to 528216001 its reverse (100612825), we get a palindrome (628828826).

The spelling of 528216001 in words is "five hundred twenty-eight million, two hundred sixteen thousand, one".