2568328253 has 2 divisors, whose sum is σ = 2568328254. Its totient is φ = 2568328252.

The previous prime is 2568328187. The next prime is 2568328277. The reversal of 2568328253 is 3528238652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2352444004 + 215884249 = 48502^2 + 14693^2 .

It is a cyclic number.

It is not a de Polignac number, because 2568328253 - 2²⁶ = 2501219389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2568328453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284164126 + 1284164127.

It is an arithmetic number, because the mean of its divisors is an integer number (1284164127).

Almost surely, 2^2568328253 is an apocalyptic number.

It is an amenable number.

2568328253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2568328253 is an equidigital number, since it uses as much as digits as its factorization.

2568328253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 44.

The square root of 2568328253 is about 50678.6765119217. The cubic root of 2568328253 is about 1369.4626007771.

The spelling of 2568328253 in words is "two billion, five hundred sixty-eight million, three hundred twenty-eight thousand, two hundred fifty-three".