2251171067 has 2 divisors, whose sum is σ = 2251171068. Its totient is φ = 2251171066.

The previous prime is 2251171063. The next prime is 2251171147. The reversal of 2251171067 is 7601711522.

2251171067 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 is a cyclic number.

It is not a de Polignac number, because 2251171067 - 2² = 2251171063 is a prime.

It is not a weakly prime, because it can be changed into another prime (2251171061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125585533 + 1125585534.

It is an arithmetic number, because the mean of its divisors is an integer number (1125585534).

Almost surely, 2^2251171067 is an apocalyptic number.

2251171067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251171067 is an equidigital number, since it uses as much as digits as its factorization.

2251171067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 2251171067 is about 47446.5074267854. The cubic root of 2251171067 is about 1310.5979957311.

Adding to 2251171067 its reverse (7601711522), we get a palindrome (9852882589).

The spelling of 2251171067 in words is "two billion, two hundred fifty-one million, one hundred seventy-one thousand, sixty-seven".