65436013 has 2 divisors, whose sum is σ = 65436014. Its totient is φ = 65436012.

The previous prime is 65436011. The next prime is 65436031. The reversal of 65436013 is 31063456.

Together with next prime (65436031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65334889 + 101124 = 8083^2 + 318^2 .

It is a cyclic number.

It is not a de Polignac number, because 65436013 - 2¹ = 65436011 is a prime.

Together with 65436011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65436011) 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, 32718006 + 32718007.

It is an arithmetic number, because the mean of its divisors is an integer number (32718007).

Almost surely, 2^65436013 is an apocalyptic number.

It is an amenable number.

65436013 is a deficient number, since it is larger than the sum of its proper divisors (1).

65436013 is an equidigital number, since it uses as much as digits as its factorization.

65436013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 65436013 is about 8089.2529321316. The cubic root of 65436013 is about 402.9695929868.

Adding to 65436013 its reverse (31063456), we get a palindrome (96499469).

The spelling of 65436013 in words is "sixty-five million, four hundred thirty-six thousand, thirteen".