8544457 has 2 divisors, whose sum is σ = 8544458. Its totient is φ = 8544456.

The previous prime is 8544451. The next prime is 8544491. The reversal of 8544457 is 7544458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 4096576 = 2109^2 + 2024^2 .

It is a cyclic number.

It is not a de Polignac number, because 8544457 - 2³ = 8544449 is a prime.

It is not a weakly prime, because it can be changed into another prime (8544451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272228 + 4272229.

It is an arithmetic number, because the mean of its divisors is an integer number (4272229).

Almost surely, 2^8544457 is an apocalyptic number.

It is an amenable number.

8544457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8544457 is an equidigital number, since it uses as much as digits as its factorization.

8544457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89600, while the sum is 37.

The square root of 8544457 is about 2923.0903167709. The cubic root of 8544457 is about 204.4379368618.

Subtracting from 8544457 its reverse (7544458), we obtain a palindrome (999999).

The spelling of 8544457 in words is "eight million, five hundred forty-four thousand, four hundred fifty-seven".