2181060241 has 2 divisors, whose sum is σ = 2181060242. Its totient is φ = 2181060240.

The previous prime is 2181060221. The next prime is 2181060263. The reversal of 2181060241 is 1420601812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1894773841 + 286286400 = 43529^2 + 16920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2181060241 - 2⁷ = 2181060113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2181060221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1090530120 + 1090530121.

It is an arithmetic number, because the mean of its divisors is an integer number (1090530121).

Almost surely, 2^2181060241 is an apocalyptic number.

It is an amenable number.

2181060241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2181060241 is an equidigital number, since it uses as much as digits as its factorization.

2181060241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 2181060241 is about 46701.8226732105. The cubic root of 2181060241 is about 1296.8484291811.

The spelling of 2181060241 in words is "two billion, one hundred eighty-one million, sixty thousand, two hundred forty-one".