528805841 has 2 divisors, whose sum is σ = 528805842. Its totient is φ = 528805840.

The previous prime is 528805831. The next prime is 528805867. The reversal of 528805841 is 148508825.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528310225 + 495616 = 22985^2 + 704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528805841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (528805831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264402920 + 264402921.

It is an arithmetic number, because the mean of its divisors is an integer number (264402921).

Almost surely, 2^528805841 is an apocalyptic number.

It is an amenable number.

528805841 is a deficient number, since it is larger than the sum of its proper divisors (1).

528805841 is an equidigital number, since it uses as much as digits as its factorization.

528805841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102400, while the sum is 41.

The square root of 528805841 is about 22995.7787648081. The cubic root of 528805841 is about 808.6589815926.

The spelling of 528805841 in words is "five hundred twenty-eight million, eight hundred five thousand, eight hundred forty-one".