2852720621 has 2 divisors, whose sum is σ = 2852720622. Its totient is φ = 2852720620.

The previous prime is 2852720579. The next prime is 2852720669. The reversal of 2852720621 is 1260272582.

2852720621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2748904900 + 103815721 = 52430^2 + 10189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2852720621 - 2⁶ = 2852720557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2852720681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426360310 + 1426360311.

It is an arithmetic number, because the mean of its divisors is an integer number (1426360311).

Almost surely, 2^2852720621 is an apocalyptic number.

It is an amenable number.

2852720621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2852720621 is an equidigital number, since it uses as much as digits as its factorization.

2852720621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 2852720621 is about 53410.8661322769. The cubic root of 2852720621 is about 1418.2509413033.

The spelling of 2852720621 in words is "two billion, eight hundred fifty-two million, seven hundred twenty thousand, six hundred twenty-one".