4411561 has 32 divisors (see below), whose sum is σ = 5971968. Its totient is φ = 3157440.

The previous prime is 4411549. The next prime is 4411571. The reversal of 4411561 is 1651144.

It is not a de Polignac number, because 4411561 - 2⁹ = 4411049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4411501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83211 + ... + 83263.

It is an arithmetic number, because the mean of its divisors is an integer number (186624).

Almost surely, 2^4411561 is an apocalyptic number.

It is an amenable number.

4411561 is a deficient number, since it is larger than the sum of its proper divisors (1560407).

4411561 is a wasteful number, since it uses less digits than its factorization.

4411561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its digits is 480, while the sum is 22.

The square root of 4411561 is about 2100.3716337829. The cubic root of 4411561 is about 164.0076463815.

It can be divided in two parts, 441 and 1561, that added together give a palindrome (2002).

The spelling of 4411561 in words is "four million, four hundred eleven thousand, five hundred sixty-one".