528091 has 2 divisors, whose sum is σ = 528092. Its totient is φ = 528090.

The previous prime is 528053. The next prime is 528097. The reversal of 528091 is 190825.

528091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528091 - 2¹⁵ = 495323 is a prime.

It is not a weakly prime, because it can be changed into another prime (528097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264045 + 264046.

It is an arithmetic number, because the mean of its divisors is an integer number (264046).

2⁵²⁸⁰⁹¹ is an apocalyptic number.

528091 is a deficient number, since it is larger than the sum of its proper divisors (1).

528091 is an equidigital number, since it uses as much as digits as its factorization.

528091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 528091 is about 726.6986995998. The cubic root of 528091 is about 80.8294434897.

The spelling of 528091 in words is "five hundred twenty-eight thousand, ninety-one".