51525261679 has 2 divisors, whose sum is σ = 51525261680. Its totient is φ = 51525261678.

The previous prime is 51525261533. The next prime is 51525261703. The reversal of 51525261679 is 97616252515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51525261679 - 2¹¹ = 51525259631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51525261979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25762630839 + 25762630840.

It is an arithmetic number, because the mean of its divisors is an integer number (25762630840).

Almost surely, 2^51525261679 is an apocalyptic number.

51525261679 is a deficient number, since it is larger than the sum of its proper divisors (1).

51525261679 is an equidigital number, since it uses as much as digits as its factorization.

51525261679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 49.

The spelling of 51525261679 in words is "fifty-one billion, five hundred twenty-five million, two hundred sixty-one thousand, six hundred seventy-nine".