2568855 has 16 divisors (see below), whose sum is σ = 4211424. Its totient is φ = 1336320.

The previous prime is 2568833. The next prime is 2568869. The reversal of 2568855 is 5588652.

It is not a de Polignac number, because 2568855 - 2⁵ = 2568823 is a prime.

It is a super-2 number, since 2×2568855² = 13198032022050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁰ + 5⁴ + 6⁴ + 8 + 8⁷ + 5⁷ + 5⁸ .

2568855 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (263214).

2^2568855 is an apocalyptic number.

2568855 is a deficient number, since it is larger than the sum of its proper divisors (1642569).

2568855 is a wasteful number, since it uses less digits than its factorization.

2568855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226.

The product of its digits is 96000, while the sum is 39.

The square root of 2568855 is about 1602.7647987150. The cubic root of 2568855 is about 136.9556216927.

The spelling of 2568855 in words is "two million, five hundred sixty-eight thousand, eight hundred fifty-five".