2682521161 has 2 divisors, whose sum is σ = 2682521162. Its totient is φ = 2682521160.

The previous prime is 2682521147. The next prime is 2682521183. The reversal of 2682521161 is 1611252862.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2532605625 + 149915536 = 50325^2 + 12244^2 .

It is a cyclic number.

It is not a de Polignac number, because 2682521161 - 2⁹ = 2682520649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2682527161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1341260580 + 1341260581.

It is an arithmetic number, because the mean of its divisors is an integer number (1341260581).

Almost surely, 2^2682521161 is an apocalyptic number.

It is an amenable number.

2682521161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2682521161 is an equidigital number, since it uses as much as digits as its factorization.

2682521161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 2682521161 is about 51793.0609348395. The cubic root of 2682521161 is about 1389.4653432579.

The spelling of 2682521161 in words is "two billion, six hundred eighty-two million, five hundred twenty-one thousand, one hundred sixty-one".