2868563 has 16 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 2503296.

The previous prime is 2868557. The next prime is 2868571. The reversal of 2868563 is 3658682.

It is a cyclic number.

It is not a de Polignac number, because 2868563 - 2¹² = 2864467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2868163) 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, 26756 + ... + 26862.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^2868563 is an apocalyptic number.

2868563 is a deficient number, since it is larger than the sum of its proper divisors (397357).

2868563 is a wasteful number, since it uses less digits than its factorization.

2868563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its digits is 69120, while the sum is 38.

The square root of 2868563 is about 1693.6832643679. The cubic root of 2868563 is about 142.0871481180.

The spelling of 2868563 in words is "two million, eight hundred sixty-eight thousand, five hundred sixty-three".