28254103 has 2 divisors, whose sum is σ = 28254104. Its totient is φ = 28254102.

The previous prime is 28254089. The next prime is 28254157. The reversal of 28254103 is 30145282.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28254103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28254173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14127051 + 14127052.

It is an arithmetic number, because the mean of its divisors is an integer number (14127052).

Almost surely, 2^28254103 is an apocalyptic number.

28254103 is a deficient number, since it is larger than the sum of its proper divisors (1).

28254103 is an equidigital number, since it uses as much as digits as its factorization.

28254103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 28254103 is about 5315.4588701259. The cubic root of 28254103 is about 304.5747113876.

Adding to 28254103 its reverse (30145282), we get a palindrome (58399385).

The spelling of 28254103 in words is "twenty-eight million, two hundred fifty-four thousand, one hundred three".