8555441 has 2 divisors, whose sum is σ = 8555442. Its totient is φ = 8555440.

The previous prime is 8555389. The next prime is 8555447. The reversal of 8555441 is 1445558.

8555441 is nontrivially palindromic in base 6.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5387041 + 3168400 = 2321^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 8555441 - 2¹⁴ = 8539057 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8555398 and 8555407.

It is not a weakly prime, because it can be changed into another prime (8555447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4277720 + 4277721.

It is an arithmetic number, because the mean of its divisors is an integer number (4277721).

Almost surely, 2^8555441 is an apocalyptic number.

It is an amenable number.

8555441 is a deficient number, since it is larger than the sum of its proper divisors (1).

8555441 is an equidigital number, since it uses as much as digits as its factorization.

8555441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16000, while the sum is 32.

The square root of 8555441 is about 2924.9685468394. The cubic root of 8555441 is about 204.5255018083.

The spelling of 8555441 in words is "eight million, five hundred fifty-five thousand, four hundred forty-one".