65344219 has 8 divisors (see below), whose sum is σ = 69772032. Its totient is φ = 61048680.

The previous prime is 65344217. The next prime is 65344231. The reversal of 65344219 is 91244356.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65344219 - 2¹ = 65344217 is a prime.

It is a super-3 number, since 3×65344219³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65344217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32047 + ... + 34024.

It is an arithmetic number, because the mean of its divisors is an integer number (8721504).

Almost surely, 2^65344219 is an apocalyptic number.

65344219 is a deficient number, since it is larger than the sum of its proper divisors (4427813).

65344219 is a wasteful number, since it uses less digits than its factorization.

65344219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66137.

The product of its digits is 25920, while the sum is 34.

The square root of 65344219 is about 8083.5771165988. The cubic root of 65344219 is about 402.7810754856.

The spelling of 65344219 in words is "sixty-five million, three hundred forty-four thousand, two hundred nineteen".