65420011 has 2 divisors, whose sum is σ = 65420012. Its totient is φ = 65420010.

The previous prime is 65420009. The next prime is 65420057. The reversal of 65420011 is 11002456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65420011 - 2¹ = 65420009 is a prime.

Together with 65420009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65420081) 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, 32710005 + 32710006.

It is an arithmetic number, because the mean of its divisors is an integer number (32710006).

Almost surely, 2^65420011 is an apocalyptic number.

65420011 is a deficient number, since it is larger than the sum of its proper divisors (1).

65420011 is an equidigital number, since it uses as much as digits as its factorization.

65420011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 65420011 is about 8088.2637815541. The cubic root of 65420011 is about 402.9367423447.

Adding to 65420011 its reverse (11002456), we get a palindrome (76422467).

The spelling of 65420011 in words is "sixty-five million, four hundred twenty thousand, eleven".