3561443 has 2 divisors, whose sum is σ = 3561444. Its totient is φ = 3561442.

The previous prime is 3561433. The next prime is 3561479. The reversal of 3561443 is 3441653.

It is a weak prime.

It is an emirp because it is prime and its reverse (3441653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3561443 - 2¹⁰ = 3560419 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3561413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780721 + 1780722.

It is an arithmetic number, because the mean of its divisors is an integer number (1780722).

Almost surely, 2^3561443 is an apocalyptic number.

3561443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561443 is an equidigital number, since it uses as much as digits as its factorization.

3561443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 3561443 is about 1887.1785819047. The cubic root of 3561443 is about 152.7127622376.

It can be divided in two parts, 3561 and 443, that added together give a palindrome (4004).

The spelling of 3561443 in words is "three million, five hundred sixty-one thousand, four hundred forty-three".