28254203 has 2 divisors, whose sum is σ = 28254204. Its totient is φ = 28254202.

The previous prime is 28254179. The next prime is 28254209. The reversal of 28254203 is 30245282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28254203 - 2¹⁰ = 28253179 is a prime.

It is not a weakly prime, because it can be changed into another prime (28254209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14127101 + 14127102.

It is an arithmetic number, because the mean of its divisors is an integer number (14127102).

Almost surely, 2^28254203 is an apocalyptic number.

28254203 is a deficient number, since it is larger than the sum of its proper divisors (1).

28254203 is an equidigital number, since it uses as much as digits as its factorization.

28254203 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 26.

The square root of 28254203 is about 5315.4682766432. The cubic root of 28254203 is about 304.5750707152.

Adding to 28254203 its reverse (30245282), we get a palindrome (58499485).

The spelling of 28254203 in words is "twenty-eight million, two hundred fifty-four thousand, two hundred three".