2040641 has 2 divisors, whose sum is σ = 2040642. Its totient is φ = 2040640.

The previous prime is 2040607. The next prime is 2040653. The reversal of 2040641 is 1460402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 38416 = 1415^2 + 196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040641 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2040601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020320 + 1020321.

It is an arithmetic number, because the mean of its divisors is an integer number (1020321).

2^2040641 is an apocalyptic number.

It is an amenable number.

2040641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040641 is an equidigital number, since it uses as much as digits as its factorization.

2040641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2040641 is about 1428.5100629677. The cubic root of 2040641 is about 126.8397963434.

The spelling of 2040641 in words is "two million, forty thousand, six hundred forty-one".