51471127 has 2 divisors, whose sum is σ = 51471128. Its totient is φ = 51471126.

The previous prime is 51471097. The next prime is 51471131. The reversal of 51471127 is 72117415.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51471127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51471095 and 51471104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51471137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25735563 + 25735564.

It is an arithmetic number, because the mean of its divisors is an integer number (25735564).

Almost surely, 2^51471127 is an apocalyptic number.

51471127 is a deficient number, since it is larger than the sum of its proper divisors (1).

51471127 is an equidigital number, since it uses as much as digits as its factorization.

51471127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1960, while the sum is 28.

The square root of 51471127 is about 7174.3380879354. The cubic root of 51471127 is about 371.9814010626.

The spelling of 51471127 in words is "fifty-one million, four hundred seventy-one thousand, one hundred twenty-seven".