4451161 has 16 divisors (see below), whose sum is σ = 5539968. Its totient is φ = 3513600.

The previous prime is 4451141. The next prime is 4451179. The reversal of 4451161 is 1611544.

It is a cyclic number.

It is not a de Polignac number, because 4451161 - 2⁵ = 4451129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4451141) 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, 1516 + ... + 3346.

It is an arithmetic number, because the mean of its divisors is an integer number (346248).

Almost surely, 2^4451161 is an apocalyptic number.

It is an amenable number.

4451161 is a deficient number, since it is larger than the sum of its proper divisors (1088807).

4451161 is a wasteful number, since it uses less digits than its factorization.

4451161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872.

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

The square root of 4451161 is about 2109.7774764178. Note that the first 3 decimals coincide. The cubic root of 4451161 is about 164.4969188547.

The spelling of 4451161 in words is "four million, four hundred fifty-one thousand, one hundred sixty-one".