64041517 has 2 divisors, whose sum is σ = 64041518. Its totient is φ = 64041516.

The previous prime is 64041511. The next prime is 64041529. The reversal of 64041517 is 71514046.

64041517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58537801 + 5503716 = 7651^2 + 2346^2 .

It is a cyclic number.

It is not a de Polignac number, because 64041517 - 2¹⁹ = 63517229 is a prime.

It is a super-2 number, since 2×64041517² = 8202631799322578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64041511) 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, 32020758 + 32020759.

It is an arithmetic number, because the mean of its divisors is an integer number (32020759).

Almost surely, 2^64041517 is an apocalyptic number.

It is an amenable number.

64041517 is a deficient number, since it is larger than the sum of its proper divisors (1).

64041517 is an equidigital number, since it uses as much as digits as its factorization.

64041517 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 64041517 is about 8002.5943918207. The cubic root of 64041517 is about 400.0864750538.

It can be divided in two parts, 6404 and 1517, that added together give a square (7921 = 89²).

The spelling of 64041517 in words is "sixty-four million, forty-one thousand, five hundred seventeen".