65025712417 has 2 divisors, whose sum is σ = 65025712418. Its totient is φ = 65025712416.

The previous prime is 65025712403. The next prime is 65025712471. The reversal of 65025712417 is 71421752056.

Together with next prime (65025712471) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60997144576 + 4028567841 = 246976^2 + 63471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65025712417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65025712417.

It is not a weakly prime, because it can be changed into another prime (65025719417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32512856208 + 32512856209.

It is an arithmetic number, because the mean of its divisors is an integer number (32512856209).

Almost surely, 2^65025712417 is an apocalyptic number.

It is an amenable number.

65025712417 is a deficient number, since it is larger than the sum of its proper divisors (1).

65025712417 is an equidigital number, since it uses as much as digits as its factorization.

65025712417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 65025712417 in words is "sixty-five billion, twenty-five million, seven hundred twelve thousand, four hundred seventeen".