2852361821 has 2 divisors, whose sum is σ = 2852361822. Its totient is φ = 2852361820.

The previous prime is 2852361797. The next prime is 2852361823. The reversal of 2852361821 is 1281632582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2822265625 + 30096196 = 53125^2 + 5486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2852361821 is a prime.

Together with 2852361823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2852361823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426180910 + 1426180911.

It is an arithmetic number, because the mean of its divisors is an integer number (1426180911).

Almost surely, 2^2852361821 is an apocalyptic number.

It is an amenable number.

2852361821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2852361821 is an equidigital number, since it uses as much as digits as its factorization.

2852361821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The square root of 2852361821 is about 53407.5071595745. The cubic root of 2852361821 is about 1418.1914787947.

The spelling of 2852361821 in words is "two billion, eight hundred fifty-two million, three hundred sixty-one thousand, eight hundred twenty-one".