2067971251 has 2 divisors, whose sum is σ = 2067971252. Its totient is φ = 2067971250.

The previous prime is 2067971209. The next prime is 2067971327. The reversal of 2067971251 is 1521797602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2067971251 - 2¹¹ = 2067969203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2067971051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033985625 + 1033985626.

It is an arithmetic number, because the mean of its divisors is an integer number (1033985626).

Almost surely, 2^2067971251 is an apocalyptic number.

2067971251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2067971251 is an equidigital number, since it uses as much as digits as its factorization.

2067971251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 2067971251 is about 45474.9519076161. The cubic root of 2067971251 is about 1274.0354105841.

The spelling of 2067971251 in words is "two billion, sixty-seven million, nine hundred seventy-one thousand, two hundred fifty-one".