65534219 has 4 divisors (see below), whose sum is σ = 65823144. Its totient is φ = 65245296.

The previous prime is 65534111. The next prime is 65534239. The reversal of 65534219 is 91243556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65534219 is a prime.

It is a super-2 number, since 2×65534219² = 8589467719879922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65534239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144122 + ... + 144575.

It is an arithmetic number, because the mean of its divisors is an integer number (16455786).

Almost surely, 2^65534219 is an apocalyptic number.

65534219 is a deficient number, since it is larger than the sum of its proper divisors (288925).

65534219 is a wasteful number, since it uses less digits than its factorization.

65534219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288924.

The product of its digits is 32400, while the sum is 35.

The square root of 65534219 is about 8095.3208089612. The cubic root of 65534219 is about 403.1710837207.

The spelling of 65534219 in words is "sixty-five million, five hundred thirty-four thousand, two hundred nineteen".