51149327 has 2 divisors, whose sum is σ = 51149328. Its totient is φ = 51149326.

The previous prime is 51149321. The next prime is 51149339. The reversal of 51149327 is 72394115.

51149327 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 51149327 - 2¹⁰ = 51148303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51149293 and 51149302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51149321) 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, 25574663 + 25574664.

It is an arithmetic number, because the mean of its divisors is an integer number (25574664).

Almost surely, 2^51149327 is an apocalyptic number.

51149327 is a deficient number, since it is larger than the sum of its proper divisors (1).

51149327 is an equidigital number, since it uses as much as digits as its factorization.

51149327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 51149327 is about 7151.8757679367. The cubic root of 51149327 is about 371.2045645704.

It can be divided in two parts, 5114 and 9327, that added together give a palindrome (14441).

The spelling of 51149327 in words is "fifty-one million, one hundred forty-nine thousand, three hundred twenty-seven".