2291759 has 4 divisors (see below), whose sum is σ = 2299440. Its totient is φ = 2284080.

The previous prime is 2291749. The next prime is 2291797. The reversal of 2291759 is 9571922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9571922 = 2 ⋅4785961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2291759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291749) 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, 3374 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (574860).

2^2291759 is an apocalyptic number.

2291759 is a deficient number, since it is larger than the sum of its proper divisors (7681).

2291759 is an equidigital number, since it uses as much as digits as its factorization.

2291759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680.

The product of its digits is 11340, while the sum is 35.

The square root of 2291759 is about 1513.8556734379. The cubic root of 2291759 is about 131.8427688652.

The spelling of 2291759 in words is "two million, two hundred ninety-one thousand, seven hundred fifty-nine".