2543441 has 2 divisors, whose sum is σ = 2543442. Its totient is φ = 2543440.

The previous prime is 2543423. The next prime is 2543459. The reversal of 2543441 is 1443452.

It is a balanced prime because it is at equal distance from previous prime (2543423) and next prime (2543459).

It can be written as a sum of positive squares in only one way, i.e., 1430416 + 1113025 = 1196^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543441 - 2¹⁰ = 2542417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2543461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271720 + 1271721.

It is an arithmetic number, because the mean of its divisors is an integer number (1271721).

2^2543441 is an apocalyptic number.

It is an amenable number.

2543441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543441 is an equidigital number, since it uses as much as digits as its factorization.

2543441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 23.

The square root of 2543441 is about 1594.8169173921. The cubic root of 2543441 is about 136.5024844463.

Adding to 2543441 its reverse (1443452), we get a palindrome (3986893).

The spelling of 2543441 in words is "two million, five hundred forty-three thousand, four hundred forty-one".