2541613121 has 2 divisors, whose sum is σ = 2541613122. Its totient is φ = 2541613120.

The previous prime is 2541613093. The next prime is 2541613133. The reversal of 2541613121 is 1213161452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2463732496 + 77880625 = 49636^2 + 8825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541613121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2541613181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270806560 + 1270806561.

It is an arithmetic number, because the mean of its divisors is an integer number (1270806561).

Almost surely, 2^2541613121 is an apocalyptic number.

It is an amenable number.

2541613121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541613121 is an equidigital number, since it uses as much as digits as its factorization.

2541613121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 2541613121 is about 50414.4138218427. The cubic root of 2541613121 is about 1364.6977681124.

Adding to 2541613121 its reverse (1213161452), we get a palindrome (3754774573).

The spelling of 2541613121 in words is "two billion, five hundred forty-one million, six hundred thirteen thousand, one hundred twenty-one".