2541987 has 24 divisors (see below), whose sum is σ = 4239456. Its totient is φ = 1437696.

The previous prime is 2541967. The next prime is 2541997. The reversal of 2541987 is 7891452.

2541987 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 2541987 - 2⁶ = 2541923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2541947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9763 + ... + 10019.

It is an arithmetic number, because the mean of its divisors is an integer number (176644).

2^2541987 is an apocalyptic number.

2541987 is a deficient number, since it is larger than the sum of its proper divisors (1697469).

2541987 is a wasteful number, since it uses less digits than its factorization.

2541987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 424 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2541987 is about 1594.3610005265. The cubic root of 2541987 is about 136.4764681892.

The spelling of 2541987 in words is "two million, five hundred forty-one thousand, nine hundred eighty-seven".