65359109 has 2 divisors, whose sum is σ = 65359110. Its totient is φ = 65359108.

The previous prime is 65359081. The next prime is 65359111. The reversal of 65359109 is 90195356.

65359109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35438209 + 29920900 = 5953^2 + 5470^2 .

It is a cyclic number.

It is not a de Polignac number, because 65359109 - 2²⁴ = 48581893 is a prime.

Together with 65359111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65359139) 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, 32679554 + 32679555.

It is an arithmetic number, because the mean of its divisors is an integer number (32679555).

Almost surely, 2^65359109 is an apocalyptic number.

It is an amenable number.

65359109 is a deficient number, since it is larger than the sum of its proper divisors (1).

65359109 is an equidigital number, since it uses as much as digits as its factorization.

65359109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 65359109 is about 8084.4980672890. The cubic root of 65359109 is about 402.8116670963.

The spelling of 65359109 in words is "sixty-five million, three hundred fifty-nine thousand, one hundred nine".