51425147 has 2 divisors, whose sum is σ = 51425148. Its totient is φ = 51425146.

The previous prime is 51425107. The next prime is 51425159. The reversal of 51425147 is 74152415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51425147 - 2⁶ = 51425083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51425107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25712573 + 25712574.

It is an arithmetic number, because the mean of its divisors is an integer number (25712574).

Almost surely, 2^51425147 is an apocalyptic number.

51425147 is a deficient number, since it is larger than the sum of its proper divisors (1).

51425147 is an equidigital number, since it uses as much as digits as its factorization.

51425147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 29.

The square root of 51425147 is about 7171.1328951568. The cubic root of 51425147 is about 371.8706023725.

The spelling of 51425147 in words is "fifty-one million, four hundred twenty-five thousand, one hundred forty-seven".