28805303 has 2 divisors, whose sum is σ = 28805304. Its totient is φ = 28805302.

The previous prime is 28805299. The next prime is 28805317. The reversal of 28805303 is 30350882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28805303 - 2² = 28805299 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28805333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14402651 + 14402652.

It is an arithmetic number, because the mean of its divisors is an integer number (14402652).

Almost surely, 2^28805303 is an apocalyptic number.

28805303 is a deficient number, since it is larger than the sum of its proper divisors (1).

28805303 is an equidigital number, since it uses as much as digits as its factorization.

28805303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 28805303 is about 5367.0572011112. The cubic root of 28805303 is about 306.5425854089.

The spelling of 28805303 in words is "twenty-eight million, eight hundred five thousand, three hundred three".