51467879 has 2 divisors, whose sum is σ = 51467880. Its totient is φ = 51467878.

The previous prime is 51467873. The next prime is 51467881. The reversal of 51467879 is 97876415.

51467879 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 51467879 - 2⁴ = 51467863 is a prime.

Together with 51467881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51467873) 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, 25733939 + 25733940.

It is an arithmetic number, because the mean of its divisors is an integer number (25733940).

Almost surely, 2^51467879 is an apocalyptic number.

51467879 is a deficient number, since it is larger than the sum of its proper divisors (1).

51467879 is an equidigital number, since it uses as much as digits as its factorization.

51467879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 51467879 is about 7174.1117220183. Note that the first 3 decimals coincide. The cubic root of 51467879 is about 371.9735764752.

The spelling of 51467879 in words is "fifty-one million, four hundred sixty-seven thousand, eight hundred seventy-nine".