2745697 has 2 divisors, whose sum is σ = 2745698. Its totient is φ = 2745696.

The previous prime is 2745661. The next prime is 2745719. The reversal of 2745697 is 7965472.

2745697 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., 2588881 + 156816 = 1609^2 + 396^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745697 - 2⁷ = 2745569 is a prime.

It is not a weakly prime, because it can be changed into another prime (2745607) 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, 1372848 + 1372849.

It is an arithmetic number, because the mean of its divisors is an integer number (1372849).

2^2745697 is an apocalyptic number.

It is an amenable number.

2745697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745697 is an equidigital number, since it uses as much as digits as its factorization.

2745697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 2745697 is about 1657.0144839439. The cubic root of 2745697 is about 140.0288545968.

It can be divided in two parts, 274569 and 7, that added together give a square (274576 = 524²).

The spelling of 2745697 in words is "two million, seven hundred forty-five thousand, six hundred ninety-seven".