64811017 has 2 divisors, whose sum is σ = 64811018. Its totient is φ = 64811016.

The previous prime is 64811009. The next prime is 64811023. The reversal of 64811017 is 71011846.

64811017 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 can be written as a sum of positive squares in only one way, i.e., 43086096 + 21724921 = 6564^2 + 4661^2 .

It is a cyclic number.

It is not a de Polignac number, because 64811017 - 2³ = 64811009 is a prime.

It is not a weakly prime, because it can be changed into another prime (64811057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32405508 + 32405509.

It is an arithmetic number, because the mean of its divisors is an integer number (32405509).

Almost surely, 2^64811017 is an apocalyptic number.

It is an amenable number.

64811017 is a deficient number, since it is larger than the sum of its proper divisors (1).

64811017 is an equidigital number, since it uses as much as digits as its factorization.

64811017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 64811017 is about 8050.5289888305. The cubic root of 64811017 is about 401.6825315459.

The spelling of 64811017 in words is "sixty-four million, eight hundred eleven thousand, seventeen".