51124471 has 2 divisors, whose sum is σ = 51124472. Its totient is φ = 51124470.

The previous prime is 51124429. The next prime is 51124501. The reversal of 51124471 is 17442115.

51124471 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 51124471 - 2¹⁹ = 50600183 is a prime.

It is a super-3 number, since 3×51124471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51124571) 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, 25562235 + 25562236.

It is an arithmetic number, because the mean of its divisors is an integer number (25562236).

Almost surely, 2^51124471 is an apocalyptic number.

51124471 is a deficient number, since it is larger than the sum of its proper divisors (1).

51124471 is an equidigital number, since it uses as much as digits as its factorization.

51124471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 25.

The square root of 51124471 is about 7150.1378308393. The cubic root of 51124471 is about 371.1444259126.

Adding to 51124471 its reverse (17442115), we get a palindrome (68566586).

The spelling of 51124471 in words is "fifty-one million, one hundred twenty-four thousand, four hundred seventy-one".