2740057 has 2 divisors, whose sum is σ = 2740058. Its totient is φ = 2740056.

The previous prime is 2740051. The next prime is 2740061. The reversal of 2740057 is 7500472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1565001 + 1175056 = 1251^2 + 1084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2740057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2740051) 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, 1370028 + 1370029.

It is an arithmetic number, because the mean of its divisors is an integer number (1370029).

2^2740057 is an apocalyptic number.

It is an amenable number.

2740057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740057 is an equidigital number, since it uses as much as digits as its factorization.

2740057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2740057 is about 1655.3117531148. The cubic root of 2740057 is about 139.9329100316.

The spelling of 2740057 in words is "two million, seven hundred forty thousand, fifty-seven".