51325559 has 2 divisors, whose sum is σ = 51325560. Its totient is φ = 51325558.

The previous prime is 51325523. The next prime is 51325577. The reversal of 51325559 is 95552315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51325559 - 2⁸ = 51325303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51325579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25662779 + 25662780.

It is an arithmetic number, because the mean of its divisors is an integer number (25662780).

Almost surely, 2^51325559 is an apocalyptic number.

51325559 is a deficient number, since it is larger than the sum of its proper divisors (1).

51325559 is an equidigital number, since it uses as much as digits as its factorization.

51325559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33750, while the sum is 35.

The square root of 51325559 is about 7164.1858574440. The cubic root of 51325559 is about 371.6303970541.

The spelling of 51325559 in words is "fifty-one million, three hundred twenty-five thousand, five hundred fifty-nine".