64011217 has 2 divisors, whose sum is σ = 64011218. Its totient is φ = 64011216.

The previous prime is 64011161. The next prime is 64011271. The reversal of 64011217 is 71211046.

Together with next prime (64011271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37344321 + 26666896 = 6111^2 + 5164^2 .

It is a cyclic number.

It is not a de Polignac number, because 64011217 - 2¹⁵ = 63978449 is a prime.

It is not a weakly prime, because it can be changed into another prime (64011617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32005608 + 32005609.

It is an arithmetic number, because the mean of its divisors is an integer number (32005609).

Almost surely, 2^64011217 is an apocalyptic number.

It is an amenable number.

64011217 is a deficient number, since it is larger than the sum of its proper divisors (1).

64011217 is an equidigital number, since it uses as much as digits as its factorization.

64011217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 64011217 is about 8000.7010317847. The cubic root of 64011217 is about 400.0233673849.

The spelling of 64011217 in words is "sixty-four million, eleven thousand, two hundred seventeen".