28052803 has 2 divisors, whose sum is σ = 28052804. Its totient is φ = 28052802.

The previous prime is 28052779. The next prime is 28052807. The reversal of 28052803 is 30825082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28052803 - 2⁹ = 28052291 is a prime.

It is not a weakly prime, because it can be changed into another prime (28052807) 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, 14026401 + 14026402.

It is an arithmetic number, because the mean of its divisors is an integer number (14026402).

Almost surely, 2^28052803 is an apocalyptic number.

28052803 is a deficient number, since it is larger than the sum of its proper divisors (1).

28052803 is an equidigital number, since it uses as much as digits as its factorization.

28052803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 28052803 is about 5296.4896865754. The cubic root of 28052803 is about 303.8496594750.

Adding to 28052803 its reverse (30825082), we get a palindrome (58877885).

The spelling of 28052803 in words is "twenty-eight million, fifty-two thousand, eight hundred three".