528068869 has 2 divisors, whose sum is σ = 528068870. Its totient is φ = 528068868.

The previous prime is 528068867. The next prime is 528068927. The reversal of 528068869 is 968860825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307546369 + 220522500 = 17537^2 + 14850^2 .

It is a cyclic number.

It is not a de Polignac number, because 528068869 - 2¹ = 528068867 is a prime.

It is a super-2 number, since 2×528068869² = 557713460813878322, which contains 22 as substring.

Together with 528068867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528068867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264034434 + 264034435.

It is an arithmetic number, because the mean of its divisors is an integer number (264034435).

Almost surely, 2^528068869 is an apocalyptic number.

It is an amenable number.

528068869 is a deficient number, since it is larger than the sum of its proper divisors (1).

528068869 is an equidigital number, since it uses as much as digits as its factorization.

528068869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 528068869 is about 22979.7491065503. The cubic root of 528068869 is about 808.2831435259.

The spelling of 528068869 in words is "five hundred twenty-eight million, sixty-eight thousand, eight hundred sixty-nine".