28268003 has 2 divisors, whose sum is σ = 28268004. Its totient is φ = 28268002.

The previous prime is 28267999. The next prime is 28268033. The reversal of 28268003 is 30086282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28268003 - 2² = 28267999 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28268033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14134001 + 14134002.

It is an arithmetic number, because the mean of its divisors is an integer number (14134002).

Almost surely, 2^28268003 is an apocalyptic number.

28268003 is a deficient number, since it is larger than the sum of its proper divisors (1).

28268003 is an equidigital number, since it uses as much as digits as its factorization.

28268003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 28268003 is about 5316.7662164139. The cubic root of 28268003 is about 304.6246497915.

The spelling of 28268003 in words is "twenty-eight million, two hundred sixty-eight thousand, three".