65065019 has 2 divisors, whose sum is σ = 65065020. Its totient is φ = 65065018.

The previous prime is 65065003. The next prime is 65065031. The reversal of 65065019 is 91056056.

65065019 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 is a cyclic number.

It is not a de Polignac number, because 65065019 - 2⁴ = 65065003 is a prime.

It is a super-2 number, since 2×65065019² = 8466913394940722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65065219) 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, 32532509 + 32532510.

It is an arithmetic number, because the mean of its divisors is an integer number (32532510).

Almost surely, 2^65065019 is an apocalyptic number.

65065019 is a deficient number, since it is larger than the sum of its proper divisors (1).

65065019 is an equidigital number, since it uses as much as digits as its factorization.

65065019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 65065019 is about 8066.2890476352. The cubic root of 65065019 is about 402.2065945511.

The spelling of 65065019 in words is "sixty-five million, sixty-five thousand, nineteen".