3673181 has 2 divisors, whose sum is σ = 3673182. Its totient is φ = 3673180.

The previous prime is 3673151. The next prime is 3673183. The reversal of 3673181 is 1813763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3644281 + 28900 = 1909^2 + 170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3673181 is a prime.

It is a super-2 number, since 2×3673181² = 26984517317522, which contains 22 as substring.

Together with 3673183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3673183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1836590 + 1836591.

It is an arithmetic number, because the mean of its divisors is an integer number (1836591).

Almost surely, 2^3673181 is an apocalyptic number.

It is an amenable number.

3673181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3673181 is an equidigital number, since it uses as much as digits as its factorization.

3673181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 3673181 is about 1916.5544604837. The cubic root of 3673181 is about 154.2934333374.

The spelling of 3673181 in words is "three million, six hundred seventy-three thousand, one hundred eighty-one".