528201643 has 2 divisors, whose sum is σ = 528201644. Its totient is φ = 528201642.

The previous prime is 528201631. The next prime is 528201649. The reversal of 528201643 is 346102825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528201643 - 2²⁵ = 494647211 is a prime.

It is not a weakly prime, because it can be changed into another prime (528201649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264100821 + 264100822.

It is an arithmetic number, because the mean of its divisors is an integer number (264100822).

Almost surely, 2^528201643 is an apocalyptic number.

528201643 is a deficient number, since it is larger than the sum of its proper divisors (1).

528201643 is an equidigital number, since it uses as much as digits as its factorization.

528201643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 528201643 is about 22982.6378599150. The cubic root of 528201643 is about 808.3508808982.

The spelling of 528201643 in words is "five hundred twenty-eight million, two hundred one thousand, six hundred forty-three".