4281181 has 4 divisors (see below), whose sum is σ = 4362012. Its totient is φ = 4200352.

The previous prime is 4281169. The next prime is 4281191. The reversal of 4281181 is 1811824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3865156 + 416025 = 1966^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 4281181 - 2¹⁷ = 4150109 is a prime.

It is a super-2 number, since 2×4281181² = 36657021509522, which contains 22 as substring.

It is a Duffinian number.

4281181 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4281191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40336 + ... + 40441.

It is an arithmetic number, because the mean of its divisors is an integer number (1090503).

Almost surely, 2^4281181 is an apocalyptic number.

It is an amenable number.

4281181 is a deficient number, since it is larger than the sum of its proper divisors (80831).

4281181 is an equidigital number, since it uses as much as digits as its factorization.

4281181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80830.

The product of its digits is 512, while the sum is 25.

The square root of 4281181 is about 2069.1014958189. The cubic root of 4281181 is about 162.3757598682.

The spelling of 4281181 in words is "four million, two hundred eighty-one thousand, one hundred eighty-one".