2541611633 has 4 divisors (see below), whose sum is σ = 2772667248. Its totient is φ = 2310556020.

The previous prime is 2541611599. The next prime is 2541611647. The reversal of 2541611633 is 3361161452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2541611633 - 2⁸ = 2541611377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2541611633.

It is not an unprimeable number, because it can be changed into a prime (2541611833) 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, 115527791 + ... + 115527812.

It is an arithmetic number, because the mean of its divisors is an integer number (693166812).

Almost surely, 2^2541611633 is an apocalyptic number.

It is an amenable number.

2541611633 is a deficient number, since it is larger than the sum of its proper divisors (231055615).

2541611633 is a wasteful number, since it uses less digits than its factorization.

2541611633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231055614.

The product of its digits is 12960, while the sum is 32.

The square root of 2541611633 is about 50414.3990641563. The cubic root of 2541611633 is about 1364.6975017893.

The spelling of 2541611633 in words is "two billion, five hundred forty-one million, six hundred eleven thousand, six hundred thirty-three".