2770091 has 2 divisors, whose sum is σ = 2770092. Its totient is φ = 2770090.

The previous prime is 2770087. The next prime is 2770093. The reversal of 2770091 is 1900772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2770091 - 2² = 2770087 is a prime.

Together with 2770093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2770091.

It is not a weakly prime, because it can be changed into another prime (2770093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385045 + 1385046.

It is an arithmetic number, because the mean of its divisors is an integer number (1385046).

2^2770091 is an apocalyptic number.

2770091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2770091 is an equidigital number, since it uses as much as digits as its factorization.

2770091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 2770091 is about 1664.3590357852. The cubic root of 2770091 is about 140.4423255048.

The spelling of 2770091 in words is "two million, seven hundred seventy thousand, ninety-one".