65705443 has 2 divisors, whose sum is σ = 65705444. Its totient is φ = 65705442.

The previous prime is 65705417. The next prime is 65705489. The reversal of 65705443 is 34450756.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65705443 - 2⁹ = 65704931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65705399 and 65705408.

It is not a weakly prime, because it can be changed into another prime (65705413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32852721 + 32852722.

It is an arithmetic number, because the mean of its divisors is an integer number (32852722).

Almost surely, 2^65705443 is an apocalyptic number.

65705443 is a deficient number, since it is larger than the sum of its proper divisors (1).

65705443 is an equidigital number, since it uses as much as digits as its factorization.

65705443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 65705443 is about 8105.8894021569. The cubic root of 65705443 is about 403.5219056902.

The spelling of 65705443 in words is "sixty-five million, seven hundred five thousand, four hundred forty-three".