51631127 has 2 divisors, whose sum is σ = 51631128. Its totient is φ = 51631126.

The previous prime is 51631061. The next prime is 51631141. The reversal of 51631127 is 72113615.

51631127 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 51631127 - 2⁸ = 51630871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51631096 and 51631105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51631157) 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, 25815563 + 25815564.

It is an arithmetic number, because the mean of its divisors is an integer number (25815564).

Almost surely, 2^51631127 is an apocalyptic number.

51631127 is a deficient number, since it is larger than the sum of its proper divisors (1).

51631127 is an equidigital number, since it uses as much as digits as its factorization.

51631127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 51631127 is about 7185.4802901407. The cubic root of 51631127 is about 372.3664419169.

The spelling of 51631127 in words is "fifty-one million, six hundred thirty-one thousand, one hundred twenty-seven".