4494181 has 2 divisors, whose sum is σ = 4494182. Its totient is φ = 4494180.

The previous prime is 4494169. The next prime is 4494209. The reversal of 4494181 is 1814944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 749956 = 1935^2 + 866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4494181 is a prime.

It is a super-2 number, since 2×4494181² = 40395325721522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4494121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2247090 + 2247091.

It is an arithmetic number, because the mean of its divisors is an integer number (2247091).

Almost surely, 2^4494181 is an apocalyptic number.

It is an amenable number.

4494181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4494181 is an equidigital number, since it uses as much as digits as its factorization.

4494181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 4494181 is about 2119.9483484274. The cubic root of 4494181 is about 165.0251691020.

The spelling of 4494181 in words is "four million, four hundred ninety-four thousand, one hundred eighty-one".