51069727 has 2 divisors, whose sum is σ = 51069728. Its totient is φ = 51069726.

The previous prime is 51069721. The next prime is 51069761. The reversal of 51069727 is 72796015.

51069727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51069727 - 2¹⁵ = 51036959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51069721) 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, 25534863 + 25534864.

It is an arithmetic number, because the mean of its divisors is an integer number (25534864).

Almost surely, 2^51069727 is an apocalyptic number.

51069727 is a deficient number, since it is larger than the sum of its proper divisors (1).

51069727 is an equidigital number, since it uses as much as digits as its factorization.

51069727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 51069727 is about 7146.3086275363. The cubic root of 51069727 is about 371.0119049853.

The spelling of 51069727 in words is "fifty-one million, sixty-nine thousand, seven hundred twenty-seven".