2824181 has 2 divisors, whose sum is σ = 2824182. Its totient is φ = 2824180.

The previous prime is 2824177. The next prime is 2824187. The reversal of 2824181 is 1814282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 167281 = 1630^2 + 409^2 .

It is a cyclic number.

It is not a de Polignac number, because 2824181 - 2² = 2824177 is a prime.

It is a super-2 number, since 2×2824181² = 15951996641522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2824181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2824187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412090 + 1412091.

It is an arithmetic number, because the mean of its divisors is an integer number (1412091).

2^2824181 is an apocalyptic number.

It is an amenable number.

2824181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2824181 is an equidigital number, since it uses as much as digits as its factorization.

2824181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024, while the sum is 26.

The square root of 2824181 is about 1680.5299759302. The cubic root of 2824181 is about 141.3505520485.

The spelling of 2824181 in words is "two million, eight hundred twenty-four thousand, one hundred eighty-one".