51166471 has 2 divisors, whose sum is σ = 51166472. Its totient is φ = 51166470.

The previous prime is 51166463. The next prime is 51166519. The reversal of 51166471 is 17466115.

51166471 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 51166471 - 2³ = 51166463 is a prime.

It is a super-3 number, since 3×51166471³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51160471) 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, 25583235 + 25583236.

It is an arithmetic number, because the mean of its divisors is an integer number (25583236).

Almost surely, 2^51166471 is an apocalyptic number.

51166471 is a deficient number, since it is larger than the sum of its proper divisors (1).

51166471 is an equidigital number, since it uses as much as digits as its factorization.

51166471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 51166471 is about 7153.0742342017. The cubic root of 51166471 is about 371.2460328265.

The spelling of 51166471 in words is "fifty-one million, one hundred sixty-six thousand, four hundred seventy-one".