2541863 has 4 divisors (see below), whose sum is σ = 2610600. Its totient is φ = 2473128.

The previous prime is 2541853. The next prime is 2541883. The reversal of 2541863 is 3681452.

2541863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541863 is a prime.

It is a super-2 number, since 2×2541863² = 12922135021538, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 4⁶ + 1 + 8 + 6⁴ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541853) 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 3 ways as a sum of consecutive naturals, for example, 34313 + ... + 34386.

It is an arithmetic number, because the mean of its divisors is an integer number (652650).

2^2541863 is an apocalyptic number.

2541863 is a deficient number, since it is larger than the sum of its proper divisors (68737).

2541863 is an equidigital number, since it uses as much as digits as its factorization.

2541863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68736.

The product of its digits is 5760, while the sum is 29.

The square root of 2541863 is about 1594.3221129998. The cubic root of 2541863 is about 136.4742490122.

The spelling of 2541863 in words is "two million, five hundred forty-one thousand, eight hundred sixty-three".