2543241 has 8 divisors (see below), whose sum is σ = 3399424. Its totient is φ = 1691280.

The previous prime is 2543239. The next prime is 2543249. The reversal of 2543241 is 1423452.

2543241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2543241 - 2¹ = 2543239 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 5⁹ + 4² + 3⁵ + 2¹⁹ + 4⁸ + 1 .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2543249) 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 7 ways as a sum of consecutive naturals, for example, 840 + ... + 2406.

It is an arithmetic number, because the mean of its divisors is an integer number (424928).

2^2543241 is an apocalyptic number.

It is an amenable number.

2543241 is a deficient number, since it is larger than the sum of its proper divisors (856183).

2543241 is a wasteful number, since it uses less digits than its factorization.

2543241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its digits is 960, while the sum is 21.

The square root of 2543241 is about 1594.7542130372. The cubic root of 2543241 is about 136.4989064572.

Adding to 2543241 its reverse (1423452), we get a palindrome (3966693).

The spelling of 2543241 in words is "two million, five hundred forty-three thousand, two hundred forty-one".