2800552505 has 4 divisors (see below), whose sum is σ = 3360663012. Its totient is φ = 2240442000.

The previous prime is 2800552501. The next prime is 2800552507. The reversal of 2800552505 is 5052550082.

2800552505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5052550082 = 2 ⋅2526275041.

It can be written as a sum of positive squares in 2 ways, for example, as 948455209 + 1852097296 = 30797^2 + 43036^2 .

It is not a de Polignac number, because 2800552505 - 2² = 2800552501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2800552501) 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, 280055246 + ... + 280055255.

It is an arithmetic number, because the mean of its divisors is an integer number (840165753).

Almost surely, 2^2800552505 is an apocalyptic number.

It is an amenable number.

2800552505 is a deficient number, since it is larger than the sum of its proper divisors (560110507).

2800552505 is an equidigital number, since it uses as much as digits as its factorization.

2800552505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560110506.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 2800552505 is about 52920.2466453058. The cubic root of 2800552505 is about 1409.5524466918.

The spelling of 2800552505 in words is "two billion, eight hundred million, five hundred fifty-two thousand, five hundred five".