28966529 has 2 divisors, whose sum is σ = 28966530. Its totient is φ = 28966528.

The previous prime is 28966517. The next prime is 28966543. The reversal of 28966529 is 92566982.

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., 15840400 + 13126129 = 3980^2 + 3623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28966529 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28966549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14483264 + 14483265.

It is an arithmetic number, because the mean of its divisors is an integer number (14483265).

Almost surely, 2^28966529 is an apocalyptic number.

It is an amenable number.

28966529 is a deficient number, since it is larger than the sum of its proper divisors (1).

28966529 is an equidigital number, since it uses as much as digits as its factorization.

28966529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The square root of 28966529 is about 5382.0562055779. The cubic root of 28966529 is about 307.1134376210.

The spelling of 28966529 in words is "twenty-eight million, nine hundred sixty-six thousand, five hundred twenty-nine".