51179719 has 2 divisors, whose sum is σ = 51179720. Its totient is φ = 51179718.

The previous prime is 51179683. The next prime is 51179743. The reversal of 51179719 is 91797115.

51179719 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 51179719 - 2⁷ = 51179591 is a prime.

It is a super-2 number, since 2×51179719² = 5238727273837922, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51179119) 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, 25589859 + 25589860.

It is an arithmetic number, because the mean of its divisors is an integer number (25589860).

Almost surely, 2^51179719 is an apocalyptic number.

51179719 is a deficient number, since it is larger than the sum of its proper divisors (1).

51179719 is an equidigital number, since it uses as much as digits as its factorization.

51179719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19845, while the sum is 40.

The square root of 51179719 is about 7154.0002096729. Note that the first 3 decimals coincide. The cubic root of 51179719 is about 371.2780710143.

The spelling of 51179719 in words is "fifty-one million, one hundred seventy-nine thousand, seven hundred nineteen".