65061617 has 2 divisors, whose sum is σ = 65061618. Its totient is φ = 65061616.

The previous prime is 65061611. The next prime is 65061637. The reversal of 65061617 is 71616056.

65061617 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., 55965361 + 9096256 = 7481^2 + 3016^2 .

It is a cyclic number.

It is not a de Polignac number, because 65061617 - 2⁶ = 65061553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65061611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32530808 + 32530809.

It is an arithmetic number, because the mean of its divisors is an integer number (32530809).

Almost surely, 2^65061617 is an apocalyptic number.

It is an amenable number.

65061617 is a deficient number, since it is larger than the sum of its proper divisors (1).

65061617 is an equidigital number, since it uses as much as digits as its factorization.

65061617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 65061617 is about 8066.0781672384. The cubic root of 65061617 is about 402.1995844828.

The spelling of 65061617 in words is "sixty-five million, sixty-one thousand, six hundred seventeen".