51743473 has 2 divisors, whose sum is σ = 51743474. Its totient is φ = 51743472.

The previous prime is 51743459. The next prime is 51743477. The reversal of 51743473 is 37434715.

51743473 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 can be written as a sum of positive squares in only one way, i.e., 50808384 + 935089 = 7128^2 + 967^2 .

It is a cyclic number.

It is not a de Polignac number, because 51743473 - 2¹⁷ = 51612401 is a prime.

It is not a weakly prime, because it can be changed into another prime (51743477) 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, 25871736 + 25871737.

It is an arithmetic number, because the mean of its divisors is an integer number (25871737).

Almost surely, 2^51743473 is an apocalyptic number.

It is an amenable number.

51743473 is a deficient number, since it is larger than the sum of its proper divisors (1).

51743473 is an equidigital number, since it uses as much as digits as its factorization.

51743473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 34.

The square root of 51743473 is about 7193.2936128035. The cubic root of 51743473 is about 372.6363280413.

The spelling of 51743473 in words is "fifty-one million, seven hundred forty-three thousand, four hundred seventy-three".