65704013 has 2 divisors, whose sum is σ = 65704014. Its totient is φ = 65704012.

The previous prime is 65704007. The next prime is 65704081. The reversal of 65704013 is 31040756.

65704013 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., 42016324 + 23687689 = 6482^2 + 4867^2 .

It is a cyclic number.

It is not a de Polignac number, because 65704013 - 2⁶ = 65703949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65704003) 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, 32852006 + 32852007.

It is an arithmetic number, because the mean of its divisors is an integer number (32852007).

Almost surely, 2^65704013 is an apocalyptic number.

It is an amenable number.

65704013 is a deficient number, since it is larger than the sum of its proper divisors (1).

65704013 is an equidigital number, since it uses as much as digits as its factorization.

65704013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 65704013 is about 8105.8011942065. The cubic root of 65704013 is about 403.5189782792.

Adding to 65704013 its reverse (31040756), we get a palindrome (96744769).

The spelling of 65704013 in words is "sixty-five million, seven hundred four thousand, thirteen".