2401181 has 2 divisors, whose sum is σ = 2401182. Its totient is φ = 2401180.

The previous prime is 2401169. The next prime is 2401207. The reversal of 2401181 is 1811042.

2401181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 749956 = 1285^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401181 - 2⁶ = 2401117 is a prime.

It is a super-2 number, since 2×2401181² = 11531340389522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2401111) 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, 1200590 + 1200591.

It is an arithmetic number, because the mean of its divisors is an integer number (1200591).

2^2401181 is an apocalyptic number.

It is an amenable number.

2401181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401181 is an equidigital number, since it uses as much as digits as its factorization.

2401181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 2401181 is about 1549.5744577141. The cubic root of 2401181 is about 133.9085475350.

The spelling of 2401181 in words is "two million, four hundred one thousand, one hundred eighty-one".