2568112381 has 2 divisors, whose sum is σ = 2568112382. Its totient is φ = 2568112380.

The previous prime is 2568112373. The next prime is 2568112397. The reversal of 2568112381 is 1832118652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1539306756 + 1028805625 = 39234^2 + 32075^2 .

It is a cyclic number.

It is not a de Polignac number, because 2568112381 - 2³ = 2568112373 is a prime.

It is a super-2 number, since 2×2568112381² = 13190402402890978322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2568112381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2568112301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284056190 + 1284056191.

It is an arithmetic number, because the mean of its divisors is an integer number (1284056191).

Almost surely, 2^2568112381 is an apocalyptic number.

It is an amenable number.

2568112381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2568112381 is an equidigital number, since it uses as much as digits as its factorization.

2568112381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 37.

The square root of 2568112381 is about 50676.5466562196. The cubic root of 2568112381 is about 1369.4242312121.

The spelling of 2568112381 in words is "two billion, five hundred sixty-eight million, one hundred twelve thousand, three hundred eighty-one".