51028903 has 2 divisors, whose sum is σ = 51028904. Its totient is φ = 51028902.

The previous prime is 51028871. The next prime is 51028933. The reversal of 51028903 is 30982015.

51028903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51028903 - 2⁵ = 51028871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51028933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25514451 + 25514452.

It is an arithmetic number, because the mean of its divisors is an integer number (25514452).

Almost surely, 2^51028903 is an apocalyptic number.

51028903 is a deficient number, since it is larger than the sum of its proper divisors (1).

51028903 is an equidigital number, since it uses as much as digits as its factorization.

51028903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 51028903 is about 7143.4517566790. The cubic root of 51028903 is about 370.9130190860.

The spelling of 51028903 in words is "fifty-one million, twenty-eight thousand, nine hundred three".