3721171 has 2 divisors, whose sum is σ = 3721172. Its totient is φ = 3721170.

The previous prime is 3721163. The next prime is 3721199. The reversal of 3721171 is 1711273.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3721171 - 2³ = 3721163 is a prime.

It is a super-2 number, since 2×3721171² = 27694227222482, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3721141) 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, 1860585 + 1860586.

It is an arithmetic number, because the mean of its divisors is an integer number (1860586).

Almost surely, 2^3721171 is an apocalyptic number.

3721171 is a deficient number, since it is larger than the sum of its proper divisors (1).

3721171 is an equidigital number, since it uses as much as digits as its factorization.

3721171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294, while the sum is 22.

The square root of 3721171 is about 1929.0336959214. The cubic root of 3721171 is about 154.9624744399.

The spelling of 3721171 in words is "three million, seven hundred twenty-one thousand, one hundred seventy-one".