2745091 has 2 divisors, whose sum is σ = 2745092. Its totient is φ = 2745090.

The previous prime is 2745049. The next prime is 2745103. The reversal of 2745091 is 1905472.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2745091 - 2⁹ = 2744579 is a prime.

2745091 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2745011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372545 + 1372546.

It is an arithmetic number, because the mean of its divisors is an integer number (1372546).

2^2745091 is an apocalyptic number.

2745091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745091 is an equidigital number, since it uses as much as digits as its factorization.

2745091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2745091 is about 1656.8316148601. The cubic root of 2745091 is about 140.0185519633.

The spelling of 2745091 in words is "two million, seven hundred forty-five thousand, ninety-one".