4842181 has 2 divisors, whose sum is σ = 4842182. Its totient is φ = 4842180.

The previous prime is 4842179. The next prime is 4842197. The reversal of 4842181 is 1812484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4730625 + 111556 = 2175^2 + 334^2 .

It is a cyclic number.

It is not a de Polignac number, because 4842181 - 2¹ = 4842179 is a prime.

It is a super-2 number, since 2×4842181² = 46893433673522, which contains 22 as substring.

Together with 4842179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4842781) 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 as a sum of consecutive naturals, namely, 2421090 + 2421091.

It is an arithmetic number, because the mean of its divisors is an integer number (2421091).

Almost surely, 2^4842181 is an apocalyptic number.

It is an amenable number.

4842181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4842181 is an equidigital number, since it uses as much as digits as its factorization.

4842181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048, while the sum is 28.

The square root of 4842181 is about 2200.4956259897. The cubic root of 4842181 is about 169.1792153676.

The spelling of 4842181 in words is "four million, eight hundred forty-two thousand, one hundred eighty-one".