2541816 has 48 divisors (see below), whose sum is σ = 7052760. Its totient is φ = 826560.

The previous prime is 2541811. The next prime is 2541817. The reversal of 2541816 is 6181452.

2541816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2541816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541811) 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 11 ways as a sum of consecutive naturals, for example, 2686 + ... + 3506.

2^2541816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2541816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3526380).

2541816 is an abundant number, since it is smaller than the sum of its proper divisors (4510944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2541816 is a wasteful number, since it uses less digits than its factorization.

2541816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 869 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 2541816 is about 1594.3073731248. The cubic root of 2541816 is about 136.4734078537.

The spelling of 2541816 in words is "two million, five hundred forty-one thousand, eight hundred sixteen".