3043561 has 4 divisors (see below), whose sum is σ = 3222612. Its totient is φ = 2864512.

The previous prime is 3043559. The next prime is 3043577. The reversal of 3043561 is 1653403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1653403 = 17 ⋅97259.

It can be written as a sum of positive squares in 2 ways, for example, as 2433600 + 609961 = 1560^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 3043561 - 2¹ = 3043559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3043541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89500 + ... + 89533.

It is an arithmetic number, because the mean of its divisors is an integer number (805653).

Almost surely, 2^3043561 is an apocalyptic number.

It is an amenable number.

3043561 is a deficient number, since it is larger than the sum of its proper divisors (179051).

3043561 is a wasteful number, since it uses less digits than its factorization.

3043561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179050.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3043561 is about 1744.5804653268. The cubic root of 3043561 is about 144.9196701310.

Adding to 3043561 its reverse (1653403), we get a palindrome (4696964).

The spelling of 3043561 in words is "three million, forty-three thousand, five hundred sixty-one".