3558281 has 2 divisors, whose sum is σ = 3558282. Its totient is φ = 3558280.

The previous prime is 3558259. The next prime is 3558283. The reversal of 3558281 is 1828553.

It is a happy number.

3558281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3455881 + 102400 = 1859^2 + 320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3558281 is a prime.

It is a super-2 number, since 2×3558281² = 25322727349922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3558283, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3558283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1779140 + 1779141.

It is an arithmetic number, because the mean of its divisors is an integer number (1779141).

Almost surely, 2^3558281 is an apocalyptic number.

It is an amenable number.

3558281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3558281 is an equidigital number, since it uses as much as digits as its factorization.

3558281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 32.

The square root of 3558281 is about 1886.3406373187. The cubic root of 3558281 is about 152.6675539020.

The spelling of 3558281 in words is "three million, five hundred fifty-eight thousand, two hundred eighty-one".