528667 has 2 divisors, whose sum is σ = 528668. Its totient is φ = 528666.

The previous prime is 528659. The next prime is 528673. The reversal of 528667 is 766825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528667 - 2³ = 528659 is a prime.

It is not a weakly prime, because it can be changed into another prime (528167) 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, 264333 + 264334.

It is an arithmetic number, because the mean of its divisors is an integer number (264334).

2⁵²⁸⁶⁶⁷ is an apocalyptic number.

528667 is a deficient number, since it is larger than the sum of its proper divisors (1).

528667 is an equidigital number, since it uses as much as digits as its factorization.

528667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 528667 is about 727.0949043969. The cubic root of 528667 is about 80.8588202717.

The spelling of 528667 in words is "five hundred twenty-eight thousand, six hundred sixty-seven".