2541446161 has 4 divisors (see below), whose sum is σ = 2690943012. Its totient is φ = 2391949312.

The previous prime is 2541446153. The next prime is 2541446177. The reversal of 2541446161 is 1616441452.

2541446161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1888337025 + 653109136 = 43455^2 + 25556^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541446161 - 2³ = 2541446153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541446101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74748400 + ... + 74748433.

It is an arithmetic number, because the mean of its divisors is an integer number (672735753).

Almost surely, 2^2541446161 is an apocalyptic number.

It is an amenable number.

2541446161 is a deficient number, since it is larger than the sum of its proper divisors (149496851).

2541446161 is a wasteful number, since it uses less digits than its factorization.

2541446161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149496850.

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

The square root of 2541446161 is about 50412.7579190030. The cubic root of 2541446161 is about 1364.6678848692.

The spelling of 2541446161 in words is "two billion, five hundred forty-one million, four hundred forty-six thousand, one hundred sixty-one".