64242011 has 2 divisors, whose sum is σ = 64242012. Its totient is φ = 64242010.

The previous prime is 64242001. The next prime is 64242019. The reversal of 64242011 is 11024246.

64242011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64242011 is a prime.

It is not a weakly prime, because it can be changed into another prime (64242019) 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, 32121005 + 32121006.

It is an arithmetic number, because the mean of its divisors is an integer number (32121006).

Almost surely, 2^64242011 is an apocalyptic number.

64242011 is a deficient number, since it is larger than the sum of its proper divisors (1).

64242011 is an equidigital number, since it uses as much as digits as its factorization.

64242011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 64242011 is about 8015.1114153204. Note that the first 3 decimals coincide. The cubic root of 64242011 is about 400.5035553972.

Adding to 64242011 its reverse (11024246), we get a palindrome (75266257).

The spelling of 64242011 in words is "sixty-four million, two hundred forty-two thousand, eleven".