8544997 has 2 divisors, whose sum is σ = 8544998. Its totient is φ = 8544996.

The previous prime is 8544973. The next prime is 8545007. The reversal of 8544997 is 7994458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6395841 + 2149156 = 2529^2 + 1466^2 .

It is a cyclic number.

It is not a de Polignac number, because 8544997 - 2¹⁹ = 8020709 is a prime.

8544997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8544197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272498 + 4272499.

It is an arithmetic number, because the mean of its divisors is an integer number (4272499).

Almost surely, 2^8544997 is an apocalyptic number.

It is an amenable number.

8544997 is a deficient number, since it is larger than the sum of its proper divisors (1).

8544997 is an equidigital number, since it uses as much as digits as its factorization.

8544997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 8544997 is about 2923.1826833094. The cubic root of 8544997 is about 204.4422435198.

The spelling of 8544997 in words is "eight million, five hundred forty-four thousand, nine hundred ninety-seven".