2056321263 has 8 divisors (see below), whose sum is σ = 2755680048. Its totient is φ = 1363921664.

The previous prime is 2056321261. The next prime is 2056321283. The reversal of 2056321263 is 3621236502.

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 2056321263 - 2¹ = 2056321261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2056321263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056321261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1739106 + ... + 1740287.

It is an arithmetic number, because the mean of its divisors is an integer number (344460006).

Almost surely, 2^2056321263 is an apocalyptic number.

2056321263 is a deficient number, since it is larger than the sum of its proper divisors (699358785).

2056321263 is a wasteful number, since it uses less digits than its factorization.

2056321263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479593.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2056321263 is about 45346.6786325085. The cubic root of 2056321263 is about 1271.6384628982.

Adding to 2056321263 its reverse (3621236502), we get a palindrome (5677557765).

The spelling of 2056321263 in words is "two billion, fifty-six million, three hundred twenty-one thousand, two hundred sixty-three".