65484943 has 2 divisors, whose sum is σ = 65484944. Its totient is φ = 65484942.

The previous prime is 65484941. The next prime is 65484949. The reversal of 65484943 is 34948456.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65484943 - 2¹ = 65484941 is a prime.

Together with 65484941, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 65484943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65484941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32742471 + 32742472.

It is an arithmetic number, because the mean of its divisors is an integer number (32742472).

Almost surely, 2^65484943 is an apocalyptic number.

65484943 is a deficient number, since it is larger than the sum of its proper divisors (1).

65484943 is an equidigital number, since it uses as much as digits as its factorization.

65484943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The square root of 65484943 is about 8092.2767500871. The cubic root of 65484943 is about 403.0700085876.

The spelling of 65484943 in words is "sixty-five million, four hundred eighty-four thousand, nine hundred forty-three".