28533017 has 2 divisors, whose sum is σ = 28533018. Its totient is φ = 28533016.

The previous prime is 28532971. The next prime is 28533047. The reversal of 28533017 is 71033582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14776336 + 13756681 = 3844^2 + 3709^2 .

It is a cyclic number.

It is not a de Polignac number, because 28533017 - 2²⁰ = 27484441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28533047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14266508 + 14266509.

It is an arithmetic number, because the mean of its divisors is an integer number (14266509).

Almost surely, 2^28533017 is an apocalyptic number.

It is an amenable number.

28533017 is a deficient number, since it is larger than the sum of its proper divisors (1).

28533017 is an equidigital number, since it uses as much as digits as its factorization.

28533017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 28533017 is about 5341.6305563002. The cubic root of 28533017 is about 305.5736476242.

Adding to 28533017 its reverse (71033582), we get a palindrome (99566599).

The spelling of 28533017 in words is "twenty-eight million, five hundred thirty-three thousand, seventeen".