2782256003 has 4 divisors (see below), whose sum is σ = 2823782280. Its totient is φ = 2740729728.

The previous prime is 2782255999. The next prime is 2782256017. The reversal of 2782256003 is 3006522872.

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 2782256003 - 2² = 2782255999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2782256303) 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, 20763038 + ... + 20763171.

It is an arithmetic number, because the mean of its divisors is an integer number (705945570).

Almost surely, 2^2782256003 is an apocalyptic number.

2782256003 is a deficient number, since it is larger than the sum of its proper divisors (41526277).

2782256003 is an equidigital number, since it uses as much as digits as its factorization.

2782256003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41526276.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2782256003 is about 52747.0947351605. The cubic root of 2782256003 is about 1406.4761195355.

Adding to 2782256003 its reverse (3006522872), we get a palindrome (5788778875).

The spelling of 2782256003 in words is "two billion, seven hundred eighty-two million, two hundred fifty-six thousand, three".