65343443 has 16 divisors (see below), whose sum is σ = 75586560. Its totient is φ = 55922400.

The previous prime is 65343433. The next prime is 65343449. The reversal of 65343443 is 34434356.

It is a cyclic number.

It is not a de Polignac number, because 65343443 - 2⁶ = 65343379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65343449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10028 + ... + 15206.

It is an arithmetic number, because the mean of its divisors is an integer number (4724160).

Almost surely, 2^65343443 is an apocalyptic number.

65343443 is a deficient number, since it is larger than the sum of its proper divisors (10243117).

65343443 is a wasteful number, since it uses less digits than its factorization.

65343443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258.

The product of its digits is 51840, while the sum is 32.

The square root of 65343443 is about 8083.5291179039. The cubic root of 65343443 is about 402.7794810607.

Adding to 65343443 its reverse (34434356), we get a palindrome (99777799).

The spelling of 65343443 in words is "sixty-five million, three hundred forty-three thousand, four hundred forty-three".