528611 has 2 divisors, whose sum is σ = 528612. Its totient is φ = 528610.

The previous prime is 528559. The next prime is 528623. The reversal of 528611 is 116825.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528611 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (528631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264305 + 264306.

It is an arithmetic number, because the mean of its divisors is an integer number (264306).

2⁵²⁸⁶¹¹ is an apocalyptic number.

528611 is a deficient number, since it is larger than the sum of its proper divisors (1).

528611 is an equidigital number, since it uses as much as digits as its factorization.

528611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 528611 is about 727.0563939613. The cubic root of 528611 is about 80.8559651323.

The spelling of 528611 in words is "five hundred twenty-eight thousand, six hundred eleven".