51227459 has 2 divisors, whose sum is σ = 51227460. Its totient is φ = 51227458.

The previous prime is 51227441. The next prime is 51227461. The reversal of 51227459 is 95472215.

51227459 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 51227459 - 2¹⁶ = 51161923 is a prime.

Together with 51227461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51227479) 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, 25613729 + 25613730.

It is an arithmetic number, because the mean of its divisors is an integer number (25613730).

Almost surely, 2^51227459 is an apocalyptic number.

51227459 is a deficient number, since it is larger than the sum of its proper divisors (1).

51227459 is an equidigital number, since it uses as much as digits as its factorization.

51227459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 51227459 is about 7157.3360267630. The cubic root of 51227459 is about 371.3934767983.

The spelling of 51227459 in words is "fifty-one million, two hundred twenty-seven thousand, four hundred fifty-nine".