2130241 has 2 divisors, whose sum is σ = 2130242. Its totient is φ = 2130240.

The previous prime is 2130239. The next prime is 2130251. The reversal of 2130241 is 1420312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1449616 + 680625 = 1204^2 + 825^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130241 - 2¹ = 2130239 is a prime.

Together with 2130239, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2130251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065120 + 1065121.

It is an arithmetic number, because the mean of its divisors is an integer number (1065121).

2^2130241 is an apocalyptic number.

It is an amenable number.

2130241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130241 is an equidigital number, since it uses as much as digits as its factorization.

2130241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2130241 is about 1459.5345148368. The cubic root of 2130241 is about 128.6696875568.

Adding to 2130241 its reverse (1420312), we get a palindrome (3550553).

The spelling of 2130241 in words is "two million, one hundred thirty thousand, two hundred forty-one".