3556243 has 2 divisors, whose sum is σ = 3556244. Its totient is φ = 3556242.

The previous prime is 3556219. The next prime is 3556253. The reversal of 3556243 is 3426553.

3556243 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 is a cyclic number.

It is not a de Polignac number, because 3556243 - 2²¹ = 1459091 is a prime.

It is not a weakly prime, because it can be changed into another prime (3556253) 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, 1778121 + 1778122.

It is an arithmetic number, because the mean of its divisors is an integer number (1778122).

Almost surely, 2^3556243 is an apocalyptic number.

3556243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3556243 is an equidigital number, since it uses as much as digits as its factorization.

3556243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 28.

The square root of 3556243 is about 1885.8003605896. The cubic root of 3556243 is about 152.6384016330.

The spelling of 3556243 in words is "three million, five hundred fifty-six thousand, two hundred forty-three".