2745761 has 2 divisors, whose sum is σ = 2745762. Its totient is φ = 2745760.

The previous prime is 2745737. The next prime is 2745767. The reversal of 2745761 is 1675472.

2745761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 185761 = 1600^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745761 - 2⁶ = 2745697 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 (2745767) 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, 1372880 + 1372881.

It is an arithmetic number, because the mean of its divisors is an integer number (1372881).

2^2745761 is an apocalyptic number.

It is an amenable number.

2745761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745761 is an equidigital number, since it uses as much as digits as its factorization.

2745761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 2745761 is about 1657.0337956723. The cubic root of 2745761 is about 140.0299425752.

The spelling of 2745761 in words is "two million, seven hundred forty-five thousand, seven hundred sixty-one".