51652525117 has 2 divisors, whose sum is σ = 51652525118. Its totient is φ = 51652525116.

The previous prime is 51652525073. The next prime is 51652525129. The reversal of 51652525117 is 71152525615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34642887876 + 17009637241 = 186126^2 + 130421^2 .

It is a cyclic number.

It is not a de Polignac number, because 51652525117 - 2¹⁵ = 51652492349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51652525117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51652525217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25826262558 + 25826262559.

It is an arithmetic number, because the mean of its divisors is an integer number (25826262559).

Almost surely, 2^51652525117 is an apocalyptic number.

It is an amenable number.

51652525117 is a deficient number, since it is larger than the sum of its proper divisors (1).

51652525117 is an equidigital number, since it uses as much as digits as its factorization.

51652525117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105000, while the sum is 40.

The spelling of 51652525117 in words is "fifty-one billion, six hundred fifty-two million, five hundred twenty-five thousand, one hundred seventeen".