65344243 has 8 divisors (see below), whose sum is σ = 69259968. Its totient is φ = 61436544.

The previous prime is 65344231. The next prime is 65344247. The reversal of 65344243 is 34244356.

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 65344243 - 2¹⁷ = 65213171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65344247) 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, 26230 + ... + 28612.

It is an arithmetic number, because the mean of its divisors is an integer number (8657496).

Almost surely, 2^65344243 is an apocalyptic number.

65344243 is a deficient number, since it is larger than the sum of its proper divisors (3915725).

65344243 is a wasteful number, since it uses less digits than its factorization.

65344243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013.

The product of its digits is 34560, while the sum is 31.

The square root of 65344243 is about 8083.5786010900. The cubic root of 65344243 is about 402.7811247975.

Adding to 65344243 its reverse (34244356), we get a palindrome (99588599).

The spelling of 65344243 in words is "sixty-five million, three hundred forty-four thousand, two hundred forty-three".