8552281 has 2 divisors, whose sum is σ = 8552282. Its totient is φ = 8552280.

The previous prime is 8552279. The next prime is 8552287. The reversal of 8552281 is 1822558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8462281 + 90000 = 2909^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 8552281 - 2¹ = 8552279 is a prime.

It is a super-2 number, since 2×8552281² = 146283020605922, which contains 22 as substring.

Together with 8552279, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8552287) 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, 4276140 + 4276141.

It is an arithmetic number, because the mean of its divisors is an integer number (4276141).

Almost surely, 2^8552281 is an apocalyptic number.

It is an amenable number.

8552281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8552281 is an equidigital number, since it uses as much as digits as its factorization.

8552281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6400, while the sum is 31.

The square root of 8552281 is about 2924.4283202021. The cubic root of 8552281 is about 204.5003178280.

It can be divided in two parts, 855 and 2281, that added together give a square (3136 = 56²).

The spelling of 8552281 in words is "eight million, five hundred fifty-two thousand, two hundred eighty-one".