52008251917 has 2 divisors, whose sum is σ = 52008251918. Its totient is φ = 52008251916.

The previous prime is 52008251899. The next prime is 52008251951. The reversal of 52008251917 is 71915280025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50074803076 + 1933448841 = 223774^2 + 43971^2 .

It is a cyclic number.

It is not a de Polignac number, because 52008251917 - 2¹⁵ = 52008219149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52008251917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52008251717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26004125958 + 26004125959.

It is an arithmetic number, because the mean of its divisors is an integer number (26004125959).

Almost surely, 2^52008251917 is an apocalyptic number.

It is an amenable number.

52008251917 is a deficient number, since it is larger than the sum of its proper divisors (1).

52008251917 is an equidigital number, since it uses as much as digits as its factorization.

52008251917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 52008251917 in words is "fifty-two billion, eight million, two hundred fifty-one thousand, nine hundred seventeen".