28055003 has 2 divisors, whose sum is σ = 28055004. Its totient is φ = 28055002.

The previous prime is 28054993. The next prime is 28055017. The reversal of 28055003 is 30055082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28055003 - 2⁴ = 28054987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28055003.

It is not a weakly prime, because it can be changed into another prime (28055903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027501 + 14027502.

It is an arithmetic number, because the mean of its divisors is an integer number (14027502).

Almost surely, 2^28055003 is an apocalyptic number.

28055003 is a deficient number, since it is larger than the sum of its proper divisors (1).

28055003 is an equidigital number, since it uses as much as digits as its factorization.

28055003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 28055003 is about 5296.6973672280. The cubic root of 28055003 is about 303.8576022556.

The spelling of 28055003 in words is "twenty-eight million, fifty-five thousand, three".