2541999 has 8 divisors (see below), whose sum is σ = 3421440. Its totient is φ = 1678616.

The previous prime is 2541997. The next prime is 2542009. The reversal of 2541999 is 9991452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2541999 - 2¹ = 2541997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3639 + ... + 4280.

It is an arithmetic number, because the mean of its divisors is an integer number (427680).

2^2541999 is an apocalyptic number.

2541999 is a deficient number, since it is larger than the sum of its proper divisors (879441).

2541999 is a wasteful number, since it uses less digits than its factorization.

2541999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8029.

The product of its digits is 29160, while the sum is 39.

The square root of 2541999 is about 1594.3647637853. The cubic root of 2541999 is about 136.4766829444.

It can be divided in two parts, 25 and 41999, that added together give a palindrome (42024).

The spelling of 2541999 in words is "two million, five hundred forty-one thousand, nine hundred ninety-nine".