51364147 has 2 divisors, whose sum is σ = 51364148. Its totient is φ = 51364146.

The previous prime is 51364127. The next prime is 51364153. The reversal of 51364147 is 74146315.

51364147 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 a de Polignac number, because none of the positive numbers 2^k-51364147 is a prime.

It is not a weakly prime, because it can be changed into another prime (51364127) 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, 25682073 + 25682074.

It is an arithmetic number, because the mean of its divisors is an integer number (25682074).

Almost surely, 2^51364147 is an apocalyptic number.

51364147 is a deficient number, since it is larger than the sum of its proper divisors (1).

51364147 is an equidigital number, since it uses as much as digits as its factorization.

51364147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 51364147 is about 7166.8784697384. The cubic root of 51364147 is about 371.7235077881.

The spelling of 51364147 in words is "fifty-one million, three hundred sixty-four thousand, one hundred forty-seven".