64145017 has 2 divisors, whose sum is σ = 64145018. Its totient is φ = 64145016.

The previous prime is 64145009. The next prime is 64145023. The reversal of 64145017 is 71054146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43086096 + 21058921 = 6564^2 + 4589^2 .

It is a cyclic number.

It is not a de Polignac number, because 64145017 - 2³ = 64145009 is a prime.

It is a super-2 number, since 2×64145017² = 8229166411860578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64145057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32072508 + 32072509.

It is an arithmetic number, because the mean of its divisors is an integer number (32072509).

Almost surely, 2^64145017 is an apocalyptic number.

It is an amenable number.

64145017 is a deficient number, since it is larger than the sum of its proper divisors (1).

64145017 is an equidigital number, since it uses as much as digits as its factorization.

64145017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 64145017 is about 8009.0584340483. The cubic root of 64145017 is about 400.3018908475.

The spelling of 64145017 in words is "sixty-four million, one hundred forty-five thousand, seventeen".