28759033 has 2 divisors, whose sum is σ = 28759034. Its totient is φ = 28759032.

The previous prime is 28759021. The next prime is 28759051. The reversal of 28759033 is 33095782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16064064 + 12694969 = 4008^2 + 3563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28759033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28758983 and 28759001.

It is not a weakly prime, because it can be changed into another prime (28759063) 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, 14379516 + 14379517.

It is an arithmetic number, because the mean of its divisors is an integer number (14379517).

Almost surely, 2^28759033 is an apocalyptic number.

It is an amenable number.

28759033 is a deficient number, since it is larger than the sum of its proper divisors (1).

28759033 is an equidigital number, since it uses as much as digits as its factorization.

28759033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 28759033 is about 5362.7449128222. The cubic root of 28759033 is about 306.3783641814.

The spelling of 28759033 in words is "twenty-eight million, seven hundred fifty-nine thousand, thirty-three".