65344343 has 2 divisors, whose sum is σ = 65344344. Its totient is φ = 65344342.

The previous prime is 65344339. The next prime is 65344361. The reversal of 65344343 is 34344356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65344343 - 2² = 65344339 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65344313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32672171 + 32672172.

It is an arithmetic number, because the mean of its divisors is an integer number (32672172).

Almost surely, 2^65344343 is an apocalyptic number.

65344343 is a deficient number, since it is larger than the sum of its proper divisors (1).

65344343 is an equidigital number, since it uses as much as digits as its factorization.

65344343 is an odious number, because the sum of its binary digits is odd.

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

The square root of 65344343 is about 8083.5847864670. The cubic root of 65344343 is about 402.7813302636.

Adding to 65344343 its reverse (34344356), we get a palindrome (99688699).

The spelling of 65344343 in words is "sixty-five million, three hundred forty-four thousand, three hundred forty-three".