65330443 has 2 divisors, whose sum is σ = 65330444. Its totient is φ = 65330442.

The previous prime is 65330429. The next prime is 65330449. The reversal of 65330443 is 34403356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65330443 - 2¹³ = 65322251 is a prime.

It is not a weakly prime, because it can be changed into another prime (65330449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32665221 + 32665222.

It is an arithmetic number, because the mean of its divisors is an integer number (32665222).

Almost surely, 2^65330443 is an apocalyptic number.

65330443 is a deficient number, since it is larger than the sum of its proper divisors (1).

65330443 is an equidigital number, since it uses as much as digits as its factorization.

65330443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 65330443 is about 8082.7249736707. The cubic root of 65330443 is about 402.7527684568.

Adding to 65330443 its reverse (34403356), we get a palindrome (99733799).

The spelling of 65330443 in words is "sixty-five million, three hundred thirty thousand, four hundred forty-three".