2541543 has 16 divisors (see below), whose sum is σ = 3507840. Its totient is φ = 1636064.

The previous prime is 2541541. The next prime is 2541547. The reversal of 2541543 is 3451452.

It is a cyclic number.

It is not a de Polignac number, because 2541543 - 2¹ = 2541541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14605 + ... + 14777.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

2^2541543 is an apocalyptic number.

2541543 is a deficient number, since it is larger than the sum of its proper divisors (966297).

2541543 is a wasteful number, since it uses less digits than its factorization.

2541543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318.

The product of its digits is 2400, while the sum is 24.

The square root of 2541543 is about 1594.2217537093. The cubic root of 2541543 is about 136.4685217703.

Adding to 2541543 its reverse (3451452), we get a palindrome (5992995).

Subtracting 2541543 from its reverse (3451452), we obtain a palindrome (909909).

The spelling of 2541543 in words is "two million, five hundred forty-one thousand, five hundred forty-three".