51472727 has 2 divisors, whose sum is σ = 51472728. Its totient is φ = 51472726.

The previous prime is 51472697. The next prime is 51472739. The reversal of 51472727 is 72727415.

51472727 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 51472727 - 2¹² = 51468631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51472627) 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, 25736363 + 25736364.

It is an arithmetic number, because the mean of its divisors is an integer number (25736364).

Almost surely, 2^51472727 is an apocalyptic number.

51472727 is a deficient number, since it is larger than the sum of its proper divisors (1).

51472727 is an equidigital number, since it uses as much as digits as its factorization.

51472727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27440, while the sum is 35.

The square root of 51472727 is about 7174.4495956136. The cubic root of 51472727 is about 371.9852554182.

The spelling of 51472727 in words is "fifty-one million, four hundred seventy-two thousand, seven hundred twenty-seven".