4561161 has 16 divisors (see below), whose sum is σ = 6713280. Its totient is φ = 2731520.

The previous prime is 4561157. The next prime is 4561163. The reversal of 4561161 is 1611654.

It is not a de Polignac number, because 4561161 - 2² = 4561157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4561163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2161 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (419580).

Almost surely, 2^4561161 is an apocalyptic number.

It is an amenable number.

4561161 is a deficient number, since it is larger than the sum of its proper divisors (2152119).

4561161 is a wasteful number, since it uses less digits than its factorization.

4561161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656.

The product of its digits is 720, while the sum is 24.

The square root of 4561161 is about 2135.6874771370. The cubic root of 4561161 is about 165.8409591088.

It can be divided in two parts, 4 and 561161, that added together give a palindrome (561165).

The spelling of 4561161 in words is "four million, five hundred sixty-one thousand, one hundred sixty-one".