65344217 has 2 divisors, whose sum is σ = 65344218. Its totient is φ = 65344216.

The previous prime is 65344159. The next prime is 65344231. The reversal of 65344217 is 71244356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53640976 + 11703241 = 7324^2 + 3421^2 .

It is a cyclic number.

It is not a de Polignac number, because 65344217 - 2²⁰ = 64295641 is a prime.

It is not a weakly prime, because it can be changed into another prime (65344247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32672108 + 32672109.

It is an arithmetic number, because the mean of its divisors is an integer number (32672109).

Almost surely, 2^65344217 is an apocalyptic number.

It is an amenable number.

65344217 is a deficient number, since it is larger than the sum of its proper divisors (1).

65344217 is an equidigital number, since it uses as much as digits as its factorization.

65344217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 65344217 is about 8083.5769928912. The cubic root of 65344217 is about 402.7810713762.

The spelling of 65344217 in words is "sixty-five million, three hundred forty-four thousand, two hundred seventeen".