2852137721 has 2 divisors, whose sum is σ = 2852137722. Its totient is φ = 2852137720.

The previous prime is 2852137697. The next prime is 2852137781. The reversal of 2852137721 is 1277312582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2829708025 + 22429696 = 53195^2 + 4736^2 .

It is a cyclic number.

It is not a de Polignac number, because 2852137721 - 2¹⁸ = 2851875577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2852137781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426068860 + 1426068861.

It is an arithmetic number, because the mean of its divisors is an integer number (1426068861).

Almost surely, 2^2852137721 is an apocalyptic number.

It is an amenable number.

2852137721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2852137721 is an equidigital number, since it uses as much as digits as its factorization.

2852137721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 2852137721 is about 53405.4090987046. The cubic root of 2852137721 is about 1418.1543370558.

The spelling of 2852137721 in words is "two billion, eight hundred fifty-two million, one hundred thirty-seven thousand, seven hundred twenty-one".