2568381 has 8 divisors (see below), whose sum is σ = 3535104. Its totient is φ = 1656960.

The previous prime is 2568373. The next prime is 2568389. The reversal of 2568381 is 1838652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2568373) and next prime (2568389).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2568381 - 2³ = 2568373 is a prime.

It is a super-2 number, since 2×2568381² = 13193161922322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13716 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (441888).

2^2568381 is an apocalyptic number.

It is an amenable number.

2568381 is a deficient number, since it is larger than the sum of its proper divisors (966723).

2568381 is a wasteful number, since it uses less digits than its factorization.

2568381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27651.

The product of its digits is 11520, while the sum is 33.

The square root of 2568381 is about 1602.6169224116. The cubic root of 2568381 is about 136.9471975818.

The spelling of 2568381 in words is "two million, five hundred sixty-eight thousand, three hundred eighty-one".