2869563 has 4 divisors (see below), whose sum is σ = 3826088. Its totient is φ = 1913040.

The previous prime is 2869553. The next prime is 2869567. The reversal of 2869563 is 3659682.

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

It is not a de Polignac number, because 2869563 - 2⁴ = 2869547 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2869567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478258 + ... + 478263.

It is an arithmetic number, because the mean of its divisors is an integer number (956522).

2^2869563 is an apocalyptic number.

2869563 is a deficient number, since it is larger than the sum of its proper divisors (956525).

2869563 is an equidigital number, since it uses as much as digits as its factorization.

2869563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956524.

The product of its digits is 77760, while the sum is 39.

The square root of 2869563 is about 1693.9784532278. The cubic root of 2869563 is about 142.1036570391.

The spelling of 2869563 in words is "two million, eight hundred sixty-nine thousand, five hundred sixty-three".