2040653 has 2 divisors, whose sum is σ = 2040654. Its totient is φ = 2040652.

The previous prime is 2040641. The next prime is 2040679. The reversal of 2040653 is 3560402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 29929 = 1418^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040653 - 2¹⁰ = 2039629 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020326 + 1020327.

It is an arithmetic number, because the mean of its divisors is an integer number (1020327).

2^2040653 is an apocalyptic number.

It is an amenable number.

2040653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040653 is an equidigital number, since it uses as much as digits as its factorization.

2040653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2040653 is about 1428.5142631420. The cubic root of 2040653 is about 126.8400449702.

The spelling of 2040653 in words is "two million, forty thousand, six hundred fifty-three".