2806032561 has 16 divisors (see below), whose sum is σ = 3810808128. Its totient is φ = 1836172800.

The previous prime is 2806032557. The next prime is 2806032577. The reversal of 2806032561 is 1652306082.

It is not a de Polignac number, because 2806032561 - 2² = 2806032557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2806032511) 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 15 ways as a sum of consecutive naturals, for example, 31641 + ... + 81321.

It is an arithmetic number, because the mean of its divisors is an integer number (238175508).

Almost surely, 2^2806032561 is an apocalyptic number.

It is an amenable number.

2806032561 is a deficient number, since it is larger than the sum of its proper divisors (1004775567).

2806032561 is a wasteful number, since it uses less digits than its factorization.

2806032561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50032.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2806032561 is about 52971.9978951144. The cubic root of 2806032561 is about 1410.4712408075.

The spelling of 2806032561 in words is "two billion, eight hundred six million, thirty-two thousand, five hundred sixty-one".