65353643 has 2 divisors, whose sum is σ = 65353644. Its totient is φ = 65353642.

The previous prime is 65353637. The next prime is 65353667. The reversal of 65353643 is 34635356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65353643 - 2¹⁶ = 65288107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (65353243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32676821 + 32676822.

It is an arithmetic number, because the mean of its divisors is an integer number (32676822).

Almost surely, 2^65353643 is an apocalyptic number.

65353643 is a deficient number, since it is larger than the sum of its proper divisors (1).

65353643 is an equidigital number, since it uses as much as digits as its factorization.

65353643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 35.

The square root of 65353643 is about 8084.1600058386. The cubic root of 65353643 is about 402.8004377003.

Adding to 65353643 its reverse (34635356), we get a palindrome (99988999).

The spelling of 65353643 in words is "sixty-five million, three hundred fifty-three thousand, six hundred forty-three".