2852800721 has 2 divisors, whose sum is σ = 2852800722. Its totient is φ = 2852800720.

The previous prime is 2852800711. The next prime is 2852800757. The reversal of 2852800721 is 1270082582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2363904400 + 488896321 = 48620^2 + 22111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2852800721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2852800711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426400360 + 1426400361.

It is an arithmetic number, because the mean of its divisors is an integer number (1426400361).

Almost surely, 2^2852800721 is an apocalyptic number.

It is an amenable number.

2852800721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2852800721 is an equidigital number, since it uses as much as digits as its factorization.

2852800721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 2852800721 is about 53411.6159744301. The cubic root of 2852800721 is about 1418.2642152795.

The spelling of 2852800721 in words is "two billion, eight hundred fifty-two million, eight hundred thousand, seven hundred twenty-one".