2040541 has 2 divisors, whose sum is σ = 2040542. Its totient is φ = 2040540.

The previous prime is 2040539. The next prime is 2040551. The reversal of 2040541 is 1450402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1988100 + 52441 = 1410^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040541 - 2¹ = 2040539 is a prime.

Together with 2040539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040551) 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, 1020270 + 1020271.

It is an arithmetic number, because the mean of its divisors is an integer number (1020271).

2^2040541 is an apocalyptic number.

It is an amenable number.

2040541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040541 is an equidigital number, since it uses as much as digits as its factorization.

2040541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2040541 is about 1428.4750610354. The cubic root of 2040541 is about 126.8377244148.

Adding to 2040541 its reverse (1450402), we get a palindrome (3490943).

The spelling of 2040541 in words is "two million, forty thousand, five hundred forty-one".