65466613 has 2 divisors, whose sum is σ = 65466614. Its totient is φ = 65466612.

The previous prime is 65466593. The next prime is 65466623. The reversal of 65466613 is 31666456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 24532209 = 6398^2 + 4953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65466613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65466623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32733306 + 32733307.

It is an arithmetic number, because the mean of its divisors is an integer number (32733307).

Almost surely, 2^65466613 is an apocalyptic number.

It is an amenable number.

65466613 is a deficient number, since it is larger than the sum of its proper divisors (1).

65466613 is an equidigital number, since it uses as much as digits as its factorization.

65466613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 65466613 is about 8091.1441094570. The cubic root of 65466613 is about 403.0323970778.

The spelling of 65466613 in words is "sixty-five million, four hundred sixty-six thousand, six hundred thirteen".