51289127 has 2 divisors, whose sum is σ = 51289128. Its totient is φ = 51289126.

The previous prime is 51289099. The next prime is 51289129. The reversal of 51289127 is 72198215.

51289127 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 51289127 - 2⁸ = 51288871 is a prime.

Together with 51289129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51289129) 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, 25644563 + 25644564.

It is an arithmetic number, because the mean of its divisors is an integer number (25644564).

Almost surely, 2^51289127 is an apocalyptic number.

51289127 is a deficient number, since it is larger than the sum of its proper divisors (1).

51289127 is an equidigital number, since it uses as much as digits as its factorization.

51289127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 35.

The square root of 51289127 is about 7161.6427584738. The cubic root of 51289127 is about 371.5424457901.

The spelling of 51289127 in words is "fifty-one million, two hundred eighty-nine thousand, one hundred twenty-seven".