528252689 has 2 divisors, whose sum is σ = 528252690. Its totient is φ = 528252688.

The previous prime is 528252677. The next prime is 528252727. The reversal of 528252689 is 986252825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512252689 + 16000000 = 22633^2 + 4000^2 .

It is a cyclic number.

It is not a de Polignac number, because 528252689 - 2²⁰ = 527204113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (528252629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264126344 + 264126345.

It is an arithmetic number, because the mean of its divisors is an integer number (264126345).

Almost surely, 2^528252689 is an apocalyptic number.

It is an amenable number.

528252689 is a deficient number, since it is larger than the sum of its proper divisors (1).

528252689 is an equidigital number, since it uses as much as digits as its factorization.

528252689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 47.

The square root of 528252689 is about 22983.7483670528. The cubic root of 528252689 is about 808.3769200384.

The spelling of 528252689 in words is "five hundred twenty-eight million, two hundred fifty-two thousand, six hundred eighty-nine".