2719091 has 4 divisors (see below), whose sum is σ = 2776992. Its totient is φ = 2661192.

The previous prime is 2719081. The next prime is 2719111. The reversal of 2719091 is 1909172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2719091 - 2⁶ = 2719027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2719001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28880 + ... + 28973.

It is an arithmetic number, because the mean of its divisors is an integer number (694248).

2^2719091 is an apocalyptic number.

2719091 is a deficient number, since it is larger than the sum of its proper divisors (57901).

2719091 is an equidigital number, since it uses as much as digits as its factorization.

2719091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57900.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 2719091 is about 1648.9666461151. The cubic root of 2719091 is about 139.5750892188.

The spelling of 2719091 in words is "two million, seven hundred nineteen thousand, ninety-one".