2541355641 has 40 divisors (see below), whose sum is σ = 4165660224. Its totient is φ = 1531219680.

The previous prime is 2541355631. The next prime is 2541355679. The reversal of 2541355641 is 1465531452.

2541355641 is a `hidden beast` number, since 2 + 5 + 4 + 1 + 3 + 5 + 5 + 641 = 666.

2541355641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2541355641 - 2¹¹ = 2541353593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2541355596 and 2541355605.

It is not an unprimeable number, because it can be changed into a prime (2541355631) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 145900 + ... + 162386.

Almost surely, 2^2541355641 is an apocalyptic number.

It is an amenable number.

2541355641 is a deficient number, since it is larger than the sum of its proper divisors (1624304583).

2541355641 is a wasteful number, since it uses less digits than its factorization.

2541355641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16683 (or 16674 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 2541355641 is about 50411.8601223958. The cubic root of 2541355641 is about 1364.6516826500.

The spelling of 2541355641 in words is "two billion, five hundred forty-one million, three hundred fifty-five thousand, six hundred forty-one".