8544001 has 2 divisors, whose sum is σ = 8544002. Its totient is φ = 8544000.

The previous prime is 8543999. The next prime is 8544007. The reversal of 8544001 is 1004458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 104976 = 2905^2 + 324^2 .

It is a cyclic number.

It is not a de Polignac number, because 8544001 - 2¹ = 8543999 is a prime.

Together with 8543999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8544007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272000 + 4272001.

It is an arithmetic number, because the mean of its divisors is an integer number (4272001).

Almost surely, 2^8544001 is an apocalyptic number.

It is an amenable number.

8544001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8544001 is an equidigital number, since it uses as much as digits as its factorization.

8544001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 8544001 is about 2923.0123160876. The cubic root of 8544001 is about 204.4342999872.

Adding to 8544001 its reverse (1004458), we get a palindrome (9548459).

The spelling of 8544001 in words is "eight million, five hundred forty-four thousand, one".