2775043 has 2 divisors, whose sum is σ = 2775044. Its totient is φ = 2775042.

The previous prime is 2775041. The next prime is 2775067. The reversal of 2775043 is 3405772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2775043 - 2¹ = 2775041 is a prime.

Together with 2775041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2775041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387521 + 1387522.

It is an arithmetic number, because the mean of its divisors is an integer number (1387522).

2^2775043 is an apocalyptic number.

2775043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775043 is an equidigital number, since it uses as much as digits as its factorization.

2775043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 2775043 is about 1665.8460313006. The cubic root of 2775043 is about 140.5259637178.

The spelling of 2775043 in words is "two million, seven hundred seventy-five thousand, forty-three".