2568205 has 4 divisors (see below), whose sum is σ = 3081852. Its totient is φ = 2054560.

The previous prime is 2568197. The next prime is 2568233. The reversal of 2568205 is 5028652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 546121 + 2022084 = 739^2 + 1422^2 .

It is not a de Polignac number, because 2568205 - 2³ = 2568197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256816 + ... + 256825.

It is an arithmetic number, because the mean of its divisors is an integer number (770463).

2^2568205 is an apocalyptic number.

It is an amenable number.

2568205 is a deficient number, since it is larger than the sum of its proper divisors (513647).

2568205 is an equidigital number, since it uses as much as digits as its factorization.

2568205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513646.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2568205 is about 1602.5620112807. The cubic root of 2568205 is about 136.9440693781.

The spelling of 2568205 in words is "two million, five hundred sixty-eight thousand, two hundred five".