28935017 has 2 divisors, whose sum is σ = 28935018. Its totient is φ = 28935016.

The previous prime is 28935007. The next prime is 28935019. The reversal of 28935017 is 71053982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19175641 + 9759376 = 4379^2 + 3124^2 .

It is a cyclic number.

It is not a de Polignac number, because 28935017 - 2⁸ = 28934761 is a prime.

Together with 28935019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28935019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14467508 + 14467509.

It is an arithmetic number, because the mean of its divisors is an integer number (14467509).

Almost surely, 2^28935017 is an apocalyptic number.

It is an amenable number.

28935017 is a deficient number, since it is larger than the sum of its proper divisors (1).

28935017 is an equidigital number, since it uses as much as digits as its factorization.

28935017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 28935017 is about 5379.1279032944. The cubic root of 28935017 is about 307.0020300700.

Adding to 28935017 its reverse (71053982), we get a palindrome (99988999).

The spelling of 28935017 in words is "twenty-eight million, nine hundred thirty-five thousand, seventeen".