3518549 has 2 divisors, whose sum is σ = 3518550. Its totient is φ = 3518548.

The previous prime is 3518521. The next prime is 3518551. The reversal of 3518549 is 9458153.

3518549 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., 2907025 + 611524 = 1705^2 + 782^2 .

It is an emirp because it is prime and its reverse (9458153) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3518549 is a prime.

Together with 3518551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3518849) 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, 1759274 + 1759275.

It is an arithmetic number, because the mean of its divisors is an integer number (1759275).

Almost surely, 2^3518549 is an apocalyptic number.

It is an amenable number.

3518549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3518549 is an equidigital number, since it uses as much as digits as its factorization.

3518549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 3518549 is about 1875.7795712716. The cubic root of 3518549 is about 152.0971937244.

The spelling of 3518549 in words is "three million, five hundred eighteen thousand, five hundred forty-nine".