2541632887 has 4 divisors (see below), whose sum is σ = 2541768880. Its totient is φ = 2541496896.

The previous prime is 2541632881. The next prime is 2541632903. The reversal of 2541632887 is 7882361452.

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

It is a cyclic number.

It is not a de Polignac number, because 2541632887 - 2³ = 2541632879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541632881) 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, 34443 + ... + 79180.

It is an arithmetic number, because the mean of its divisors is an integer number (635442220).

Almost surely, 2^2541632887 is an apocalyptic number.

2541632887 is a deficient number, since it is larger than the sum of its proper divisors (135993).

2541632887 is a wasteful number, since it uses less digits than its factorization.

2541632887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135992.

The product of its digits is 645120, while the sum is 46.

The square root of 2541632887 is about 50414.6098566675. The cubic root of 2541632887 is about 1364.7013058323.

The spelling of 2541632887 in words is "two billion, five hundred forty-one million, six hundred thirty-two thousand, eight hundred eighty-seven".