51325579 has 2 divisors, whose sum is σ = 51325580. Its totient is φ = 51325578.

The previous prime is 51325577. The next prime is 51325597. The reversal of 51325579 is 97552315.

It is a happy number.

51325579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (51325597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51325579 - 2¹ = 51325577 is a prime.

Together with 51325577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51325577) 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, 25662789 + 25662790.

It is an arithmetic number, because the mean of its divisors is an integer number (25662790).

Almost surely, 2^51325579 is an apocalyptic number.

51325579 is a deficient number, since it is larger than the sum of its proper divisors (1).

51325579 is an equidigital number, since it uses as much as digits as its factorization.

51325579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 37.

The square root of 51325579 is about 7164.1872532758. The cubic root of 51325579 is about 371.6304453251.

The spelling of 51325579 in words is "fifty-one million, three hundred twenty-five thousand, five hundred seventy-nine".