2745047 has 2 divisors, whose sum is σ = 2745048. Its totient is φ = 2745046.

The previous prime is 2745031. The next prime is 2745049. The reversal of 2745047 is 7405472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2745047 - 2⁴ = 2745031 is a prime.

Together with 2745049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2745049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372523 + 1372524.

It is an arithmetic number, because the mean of its divisors is an integer number (1372524).

2^2745047 is an apocalyptic number.

2745047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745047 is an equidigital number, since it uses as much as digits as its factorization.

2745047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 2745047 is about 1656.8183364509. The cubic root of 2745047 is about 140.0178038582.

The spelling of 2745047 in words is "two million, seven hundred forty-five thousand, forty-seven".