65345443 has 4 divisors (see below), whose sum is σ = 65416120. Its totient is φ = 65274768.

The previous prime is 65345419. The next prime is 65345453. The reversal of 65345443 is 34454356.

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-65345443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65345399 and 65345408.

It is not an unprimeable number, because it can be changed into a prime (65345453) 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, 33933 + ... + 35806.

It is an arithmetic number, because the mean of its divisors is an integer number (16354030).

Almost surely, 2^65345443 is an apocalyptic number.

65345443 is a deficient number, since it is larger than the sum of its proper divisors (70677).

65345443 is an equidigital number, since it uses as much as digits as its factorization.

65345443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70676.

The product of its digits is 86400, while the sum is 34.

The square root of 65345443 is about 8083.6528253012. The cubic root of 65345443 is about 402.7835903776.

Adding to 65345443 its reverse (34454356), we get a palindrome (99799799).

The spelling of 65345443 in words is "sixty-five million, three hundred forty-five thousand, four hundred forty-three".