2874181 has 2 divisors, whose sum is σ = 2874182. Its totient is φ = 2874180.

The previous prime is 2874169. The next prime is 2874211. The reversal of 2874181 is 1814782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2873025 + 1156 = 1695^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 2874181 - 2¹⁵ = 2841413 is a prime.

It is a super-2 number, since 2×2874181² = 16521832841522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2874121) 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 as a sum of consecutive naturals, namely, 1437090 + 1437091.

It is an arithmetic number, because the mean of its divisors is an integer number (1437091).

2^2874181 is an apocalyptic number.

It is an amenable number.

2874181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2874181 is an equidigital number, since it uses as much as digits as its factorization.

2874181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 31.

The square root of 2874181 is about 1695.3409686550. The cubic root of 2874181 is about 142.1798455244.

The spelling of 2874181 in words is "two million, eight hundred seventy-four thousand, one hundred eighty-one".