51474779 has 2 divisors, whose sum is σ = 51474780. Its totient is φ = 51474778.

The previous prime is 51474769. The next prime is 51474791. The reversal of 51474779 is 97747415.

51474779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51474779 - 2⁴ = 51474763 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (51474719) 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, 25737389 + 25737390.

It is an arithmetic number, because the mean of its divisors is an integer number (25737390).

Almost surely, 2^51474779 is an apocalyptic number.

51474779 is a deficient number, since it is larger than the sum of its proper divisors (1).

51474779 is an equidigital number, since it uses as much as digits as its factorization.

51474779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 44.

The square root of 51474779 is about 7174.5926016743. The cubic root of 51474779 is about 371.9901985123.

The spelling of 51474779 in words is "fifty-one million, four hundred seventy-four thousand, seven hundred seventy-nine".