65011841 has 2 divisors, whose sum is σ = 65011842. Its totient is φ = 65011840.

The previous prime is 65011831. The next prime is 65011847. The reversal of 65011841 is 14811056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50112241 + 14899600 = 7079^2 + 3860^2 .

It is a cyclic number.

It is not a de Polignac number, because 65011841 - 2¹⁴ = 64995457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65011841.

It is not a weakly prime, because it can be changed into another prime (65011847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32505920 + 32505921.

It is an arithmetic number, because the mean of its divisors is an integer number (32505921).

Almost surely, 2^65011841 is an apocalyptic number.

It is an amenable number.

65011841 is a deficient number, since it is larger than the sum of its proper divisors (1).

65011841 is an equidigital number, since it uses as much as digits as its factorization.

65011841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 65011841 is about 8062.9920625038. The cubic root of 65011841 is about 402.0969894604.

Adding to 65011841 its reverse (14811056), we get a palindrome (79822897).

The spelling of 65011841 in words is "sixty-five million, eleven thousand, eight hundred forty-one".