65447441 has 2 divisors, whose sum is σ = 65447442. Its totient is φ = 65447440.

The previous prime is 65447411. The next prime is 65447483. The reversal of 65447441 is 14474456.

65447441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56685841 + 8761600 = 7529^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 65447441 - 2⁶ = 65447377 is a prime.

It is not a weakly prime, because it can be changed into another prime (65447401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32723720 + 32723721.

It is an arithmetic number, because the mean of its divisors is an integer number (32723721).

Almost surely, 2^65447441 is an apocalyptic number.

It is an amenable number.

65447441 is a deficient number, since it is larger than the sum of its proper divisors (1).

65447441 is an equidigital number, since it uses as much as digits as its factorization.

65447441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 35.

The square root of 65447441 is about 8089.9592706020. The cubic root of 65447441 is about 402.9930503474.

The spelling of 65447441 in words is "sixty-five million, four hundred forty-seven thousand, four hundred forty-one".