2568538133 has 16 divisors (see below), whose sum is σ = 3065852160. Its totient is φ = 2103991296.

The previous prime is 2568538073. The next prime is 2568538157. The reversal of 2568538133 is 3318358652.

It is a cyclic number.

It is not a de Polignac number, because 2568538133 - 2¹⁶ = 2568472597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568538183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189383 + ... + 202491.

It is an arithmetic number, because the mean of its divisors is an integer number (191615760).

Almost surely, 2^2568538133 is an apocalyptic number.

2568538133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2568538133 is a deficient number, since it is larger than the sum of its proper divisors (497314027).

2568538133 is a wasteful number, since it uses less digits than its factorization.

2568538133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14356.

The product of its digits is 518400, while the sum is 44.

The square root of 2568538133 is about 50680.7471630007. The cubic root of 2568538133 is about 1369.4999032496.

The spelling of 2568538133 in words is "two billion, five hundred sixty-eight million, five hundred thirty-eight thousand, one hundred thirty-three".