65338219 has 4 divisors (see below), whose sum is σ = 65754544. Its totient is φ = 64921896.

The previous prime is 65338211. The next prime is 65338243. The reversal of 65338219 is 91283356.

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

It is a cyclic number.

It is not a de Polignac number, because 65338219 - 2³ = 65338211 is a prime.

It is a super-2 number, since 2×65338219² = 8538165724183922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65338211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207927 + ... + 208240.

It is an arithmetic number, because the mean of its divisors is an integer number (16438636).

Almost surely, 2^65338219 is an apocalyptic number.

65338219 is a deficient number, since it is larger than the sum of its proper divisors (416325).

65338219 is a wasteful number, since it uses less digits than its factorization.

65338219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416324.

The product of its digits is 38880, while the sum is 37.

The square root of 65338219 is about 8083.2059852511. The cubic root of 65338219 is about 402.7687471294.

The spelling of 65338219 in words is "sixty-five million, three hundred thirty-eight thousand, two hundred nineteen".