2568243 has 4 divisors (see below), whose sum is σ = 3424328. Its totient is φ = 1712160.

The previous prime is 2568239. The next prime is 2568253. The reversal of 2568243 is 3428652.

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

It is not a de Polignac number, because 2568243 - 2² = 2568239 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2568243.

It is not an unprimeable number, because it can be changed into a prime (2568233) 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, 428038 + ... + 428043.

It is an arithmetic number, because the mean of its divisors is an integer number (856082).

2^2568243 is an apocalyptic number.

2568243 is a deficient number, since it is larger than the sum of its proper divisors (856085).

2568243 is an equidigital number, since it uses as much as digits as its factorization.

2568243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856084.

The product of its digits is 11520, while the sum is 30.

The square root of 2568243 is about 1602.5738672523. The cubic root of 2568243 is about 136.9447447978.

The spelling of 2568243 in words is "two million, five hundred sixty-eight thousand, two hundred forty-three".