51468973 has 2 divisors, whose sum is σ = 51468974. Its totient is φ = 51468972.

The previous prime is 51468971. The next prime is 51469003. The reversal of 51468973 is 37986415.

51468973 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 can be written as a sum of positive squares in only one way, i.e., 38415204 + 13053769 = 6198^2 + 3613^2 .

It is a cyclic number.

It is not a de Polignac number, because 51468973 - 2¹ = 51468971 is a prime.

Together with 51468971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51468971) 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, 25734486 + 25734487.

It is an arithmetic number, because the mean of its divisors is an integer number (25734487).

Almost surely, 2^51468973 is an apocalyptic number.

It is an amenable number.

51468973 is a deficient number, since it is larger than the sum of its proper divisors (1).

51468973 is an equidigital number, since it uses as much as digits as its factorization.

51468973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 51468973 is about 7174.1879679863. The cubic root of 51468973 is about 371.9762120103.

It can be divided in two parts, 51468 and 973, that added together give a square (52441 = 229²).

The spelling of 51468973 in words is "fifty-one million, four hundred sixty-eight thousand, nine hundred seventy-three".