64044017 has 2 divisors, whose sum is σ = 64044018. Its totient is φ = 64044016.

The previous prime is 64043989. The next prime is 64044037. The reversal of 64044017 is 71044046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47389456 + 16654561 = 6884^2 + 4081^2 .

It is a cyclic number.

It is not a de Polignac number, because 64044017 - 2⁸ = 64043761 is a prime.

It is a super-2 number, since 2×64044017² = 8203272226992578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64044037) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32022008 + 32022009.

It is an arithmetic number, because the mean of its divisors is an integer number (32022009).

Almost surely, 2^64044017 is an apocalyptic number.

It is an amenable number.

64044017 is a deficient number, since it is larger than the sum of its proper divisors (1).

64044017 is an equidigital number, since it uses as much as digits as its factorization.

64044017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 64044017 is about 8002.7505896410. The cubic root of 64044017 is about 400.0916810682.

The spelling of 64044017 in words is "sixty-four million, forty-four thousand, seventeen".