2568791 has 8 divisors (see below), whose sum is σ = 2675280. Its totient is φ = 2463552.

The previous prime is 2568757. The next prime is 2568793. The reversal of 2568791 is 1978652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2568791 - 2¹⁰ = 2567767 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 (2568793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8051 + ... + 8363.

It is an arithmetic number, because the mean of its divisors is an integer number (334410).

2^2568791 is an apocalyptic number.

2568791 is a deficient number, since it is larger than the sum of its proper divisors (106489).

2568791 is a wasteful number, since it uses less digits than its factorization.

2568791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its digits is 30240, while the sum is 38.

The square root of 2568791 is about 1602.7448330910. The cubic root of 2568791 is about 136.9544843205.

The spelling of 2568791 in words is "two million, five hundred sixty-eight thousand, seven hundred ninety-one".