64326817 has 2 divisors, whose sum is σ = 64326818. Its totient is φ = 64326816.

The previous prime is 64326751. The next prime is 64326841. The reversal of 64326817 is 71862346.

64326817 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., 43678881 + 20647936 = 6609^2 + 4544^2 .

It is a cyclic number.

It is not a de Polignac number, because 64326817 - 2¹¹ = 64324769 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64326877) 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, 32163408 + 32163409.

It is an arithmetic number, because the mean of its divisors is an integer number (32163409).

Almost surely, 2^64326817 is an apocalyptic number.

It is an amenable number.

64326817 is a deficient number, since it is larger than the sum of its proper divisors (1).

64326817 is an equidigital number, since it uses as much as digits as its factorization.

64326817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 64326817 is about 8020.4000523665. The cubic root of 64326817 is about 400.6797130711.

The spelling of 64326817 in words is "sixty-four million, three hundred twenty-six thousand, eight hundred seventeen".