51652525129 has 2 divisors, whose sum is σ = 51652525130. Its totient is φ = 51652525128.

The previous prime is 51652525117. The next prime is 51652525151. The reversal of 51652525129 is 92152525615.

51652525129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50643001600 + 1009523529 = 225040^2 + 31773^2 .

It is a cyclic number.

It is not a de Polignac number, because 51652525129 - 2²¹ = 51650427977 is a prime.

It is not a weakly prime, because it can be changed into another prime (51652525429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25826262564 + 25826262565.

It is an arithmetic number, because the mean of its divisors is an integer number (25826262565).

Almost surely, 2^51652525129 is an apocalyptic number.

It is an amenable number.

51652525129 is a deficient number, since it is larger than the sum of its proper divisors (1).

51652525129 is an equidigital number, since it uses as much as digits as its factorization.

51652525129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 43.

The spelling of 51652525129 in words is "fifty-one billion, six hundred fifty-two million, five hundred twenty-five thousand, one hundred twenty-nine".