65365219 has 2 divisors, whose sum is σ = 65365220. Its totient is φ = 65365218.

The previous prime is 65365211. The next prime is 65365259. The reversal of 65365219 is 91256356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65365219 - 2³ = 65365211 is a prime.

It is a super-2 number, since 2×65365219² = 8545223709835922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65365211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32682609 + 32682610.

It is an arithmetic number, because the mean of its divisors is an integer number (32682610).

Almost surely, 2^65365219 is an apocalyptic number.

65365219 is a deficient number, since it is larger than the sum of its proper divisors (1).

65365219 is an equidigital number, since it uses as much as digits as its factorization.

65365219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 65365219 is about 8084.8759421527. The cubic root of 65365219 is about 402.8242187902.

The spelling of 65365219 in words is "sixty-five million, three hundred sixty-five thousand, two hundred nineteen".