2011241 has 2 divisors, whose sum is σ = 2011242. Its totient is φ = 2011240.

The previous prime is 2011211. The next prime is 2011259. The reversal of 2011241 is 1421102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1371241 + 640000 = 1171^2 + 800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (2011201) 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, 1005620 + 1005621.

It is an arithmetic number, because the mean of its divisors is an integer number (1005621).

2^2011241 is an apocalyptic number.

It is an amenable number.

2011241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011241 is an equidigital number, since it uses as much as digits as its factorization.

2011241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2011241 is about 1418.1822872960. The cubic root of 2011241 is about 126.2277103413.

Adding to 2011241 its reverse (1421102), we get a palindrome (3432343).

The spelling of 2011241 in words is "two million, eleven thousand, two hundred forty-one".