2792561 has 2 divisors, whose sum is σ = 2792562. Its totient is φ = 2792560.

The previous prime is 2792557. The next prime is 2792617. The reversal of 2792561 is 1652972.

2792561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 776161 = 1420^2 + 881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2792561 - 2² = 2792557 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2792521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1396280 + 1396281.

It is an arithmetic number, because the mean of its divisors is an integer number (1396281).

2^2792561 is an apocalyptic number.

It is an amenable number.

2792561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2792561 is an equidigital number, since it uses as much as digits as its factorization.

2792561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 2792561 is about 1671.0957483041. The cubic root of 2792561 is about 140.8210428529.

The spelling of 2792561 in words is "two million, seven hundred ninety-two thousand, five hundred sixty-one".