2568897 has 6 divisors (see below), whose sum is σ = 3710642. Its totient is φ = 1712592.

The previous prime is 2568871. The next prime is 2568901. The reversal of 2568897 is 7988652.

2568897 is a `hidden beast` number, since 2 + 568 + 89 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1382976 + 1185921 = 1176^2 + 1089^2 .

It is not a de Polignac number, because 2568897 - 2⁶ = 2568833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2568817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142708 + ... + 142725.

2^2568897 is an apocalyptic number.

It is an amenable number.

2568897 is a deficient number, since it is larger than the sum of its proper divisors (1141745).

2568897 is a wasteful number, since it uses less digits than its factorization.

2568897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285439 (or 285436 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2568897 is about 1602.7779010206. Note that the first 3 decimals coincide. The cubic root of 2568897 is about 136.9563680829.

The spelling of 2568897 in words is "two million, five hundred sixty-eight thousand, eight hundred ninety-seven".