28443059 has 2 divisors, whose sum is σ = 28443060. Its totient is φ = 28443058.

The previous prime is 28443049. The next prime is 28443067. The reversal of 28443059 is 95034482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28443059 - 2⁴ = 28443043 is a prime.

It is not a weakly prime, because it can be changed into another prime (28443029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14221529 + 14221530.

It is an arithmetic number, because the mean of its divisors is an integer number (14221530).

Almost surely, 2^28443059 is an apocalyptic number.

28443059 is a deficient number, since it is larger than the sum of its proper divisors (1).

28443059 is an equidigital number, since it uses as much as digits as its factorization.

28443059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 28443059 is about 5333.2034463350. The cubic root of 28443059 is about 305.2521752109.

The spelling of 28443059 in words is "twenty-eight million, four hundred forty-three thousand, fifty-nine".