2541541 has 2 divisors, whose sum is σ = 2541542. Its totient is φ = 2541540.

The previous prime is 2541533. The next prime is 2541547. The reversal of 2541541 is 1451452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 772641 = 1330^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541541 - 2³ = 2541533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2541547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270770 + 1270771.

It is an arithmetic number, because the mean of its divisors is an integer number (1270771).

2^2541541 is an apocalyptic number.

It is an amenable number.

2541541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541541 is an equidigital number, since it uses as much as digits as its factorization.

2541541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 800, while the sum is 22.

The square root of 2541541 is about 1594.2211264439. The cubic root of 2541541 is about 136.4684859736.

Adding to 2541541 its reverse (1451452), we get a palindrome (3992993).

The spelling of 2541541 in words is "two million, five hundred forty-one thousand, five hundred forty-one".