28054903 has 2 divisors, whose sum is σ = 28054904. Its totient is φ = 28054902.

The previous prime is 28054889. The next prime is 28054921. The reversal of 28054903 is 30945082.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28054903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28054973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027451 + 14027452.

It is an arithmetic number, because the mean of its divisors is an integer number (14027452).

Almost surely, 2^28054903 is an apocalyptic number.

28054903 is a deficient number, since it is larger than the sum of its proper divisors (1).

28054903 is an equidigital number, since it uses as much as digits as its factorization.

28054903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 28054903 is about 5296.6879273750. The cubic root of 28054903 is about 303.8572412291.

Adding to 28054903 its reverse (30945082), we get a palindrome (58999985).

The spelling of 28054903 in words is "twenty-eight million, fifty-four thousand, nine hundred three".