2040791 has 2 divisors, whose sum is σ = 2040792. Its totient is φ = 2040790.

The previous prime is 2040781. The next prime is 2040803. The reversal of 2040791 is 1970402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020395 + 1020396.

It is an arithmetic number, because the mean of its divisors is an integer number (1020396).

2^2040791 is an apocalyptic number.

2040791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040791 is an equidigital number, since it uses as much as digits as its factorization.

2040791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2040791 is about 1428.5625642582. The cubic root of 2040791 is about 126.8429041092.

The spelling of 2040791 in words is "two million, forty thousand, seven hundred ninety-one".