2832802561 has 4 divisors (see below), whose sum is σ = 2838240324. Its totient is φ = 2827364800.

The previous prime is 2832802529. The next prime is 2832802571. The reversal of 2832802561 is 1652082382.

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 1006094961 + 1826707600 = 31719^2 + 42740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2832802561 - 2⁵ = 2832802529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2832802561.

It is not an unprimeable number, because it can be changed into a prime (2832802501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718100 + ... + 2719141.

It is an arithmetic number, because the mean of its divisors is an integer number (709560081).

Almost surely, 2^2832802561 is an apocalyptic number.

It is an amenable number.

2832802561 is a deficient number, since it is larger than the sum of its proper divisors (5437763).

2832802561 is an equidigital number, since it uses as much as digits as its factorization.

2832802561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437762.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2832802561 is about 53224.0787707970. The cubic root of 2832802561 is about 1414.9424260392.

The spelling of 2832802561 in words is "two billion, eight hundred thirty-two million, eight hundred two thousand, five hundred sixty-one".