28041043 has 2 divisors, whose sum is σ = 28041044. Its totient is φ = 28041042.

The previous prime is 28041011. The next prime is 28041067. The reversal of 28041043 is 34014082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28041043 - 2⁵ = 28041011 is a prime.

It is not a weakly prime, because it can be changed into another prime (28044043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14020521 + 14020522.

It is an arithmetic number, because the mean of its divisors is an integer number (14020522).

Almost surely, 2^28041043 is an apocalyptic number.

28041043 is a deficient number, since it is larger than the sum of its proper divisors (1).

28041043 is an equidigital number, since it uses as much as digits as its factorization.

28041043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 28041043 is about 5295.3794009495. The cubic root of 28041043 is about 303.8071946581.

The spelling of 28041043 in words is "twenty-eight million, forty-one thousand, forty-three".