65922013 has 2 divisors, whose sum is σ = 65922014. Its totient is φ = 65922012.

The previous prime is 65922007. The next prime is 65922041. The reversal of 65922013 is 31022956.

It is an a-pointer prime, because the next prime (65922041) can be obtained adding 65922013 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61748164 + 4173849 = 7858^2 + 2043^2 .

It is a cyclic number.

It is not a de Polignac number, because 65922013 - 2²⁵ = 32367581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65922113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32961006 + 32961007.

It is an arithmetic number, because the mean of its divisors is an integer number (32961007).

Almost surely, 2^65922013 is an apocalyptic number.

It is an amenable number.

65922013 is a deficient number, since it is larger than the sum of its proper divisors (1).

65922013 is an equidigital number, since it uses as much as digits as its factorization.

65922013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 65922013 is about 8119.2372178672. The cubic root of 65922013 is about 403.9647654956.

Adding to 65922013 its reverse (31022956), we get a palindrome (96944969).

The spelling of 65922013 in words is "sixty-five million, nine hundred twenty-two thousand, thirteen".