2541464161 has 2 divisors, whose sum is σ = 2541464162. Its totient is φ = 2541464160.

The previous prime is 2541464137. The next prime is 2541464201. The reversal of 2541464161 is 1614641452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2074255936 + 467208225 = 45544^2 + 21615^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541464161 - 2⁹ = 2541463649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2541464461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270732080 + 1270732081.

It is an arithmetic number, because the mean of its divisors is an integer number (1270732081).

Almost surely, 2^2541464161 is an apocalyptic number.

It is an amenable number.

2541464161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541464161 is an equidigital number, since it uses as much as digits as its factorization.

2541464161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 2541464161 is about 50412.9364449245. The cubic root of 2541464161 is about 1364.6711066522.

The spelling of 2541464161 in words is "two billion, five hundred forty-one million, four hundred sixty-four thousand, one hundred sixty-one".