4103561 has 16 divisors (see below), whose sum is σ = 5166720. Its totient is φ = 3166080.

The previous prime is 4103543. The next prime is 4103581. The reversal of 4103561 is 1653014.

It is a cyclic number.

It is not a de Polignac number, because 4103561 - 2¹⁴ = 4087177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4103521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10355 + ... + 10743.

It is an arithmetic number, because the mean of its divisors is an integer number (322920).

Almost surely, 2^4103561 is an apocalyptic number.

It is an amenable number.

4103561 is a deficient number, since it is larger than the sum of its proper divisors (1063159).

4103561 is a wasteful number, since it uses less digits than its factorization.

4103561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 4103561 is about 2025.7248085562. The cubic root of 4103561 is about 160.0983900047.

Adding to 4103561 its reverse (1653014), we get a palindrome (5756575).

It can be divided in two parts, 4103 and 561, that added together give a palindrome (4664).

The spelling of 4103561 in words is "four million, one hundred three thousand, five hundred sixty-one".