51226579 has 2 divisors, whose sum is σ = 51226580. Its totient is φ = 51226578.

The previous prime is 51226561. The next prime is 51226607. The reversal of 51226579 is 97562215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51226579 - 2¹⁵ = 51193811 is a prime.

It is not a weakly prime, because it can be changed into another prime (51226529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25613289 + 25613290.

It is an arithmetic number, because the mean of its divisors is an integer number (25613290).

Almost surely, 2^51226579 is an apocalyptic number.

51226579 is a deficient number, since it is larger than the sum of its proper divisors (1).

51226579 is an equidigital number, since it uses as much as digits as its factorization.

51226579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 51226579 is about 7157.2745511123. The cubic root of 51226579 is about 371.3913501515.

The spelling of 51226579 in words is "fifty-one million, two hundred twenty-six thousand, five hundred seventy-nine".