2740511 has 2 divisors, whose sum is σ = 2740512. Its totient is φ = 2740510.

The previous prime is 2740489. The next prime is 2740513. The reversal of 2740511 is 1150472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2740511 - 2¹⁸ = 2478367 is a prime.

It is a super-2 number, since 2×2740511² = 15020801082242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2740513, 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 (2740513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370255 + 1370256.

It is an arithmetic number, because the mean of its divisors is an integer number (1370256).

2^2740511 is an apocalyptic number.

2740511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740511 is an equidigital number, since it uses as much as digits as its factorization.

2740511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 2740511 is about 1655.4488817236. The cubic root of 2740511 is about 139.9406380986.

Adding to 2740511 its reverse (1150472), we get a palindrome (3890983).

The spelling of 2740511 in words is "two million, seven hundred forty thousand, five hundred eleven".