6349181 has 2 divisors, whose sum is σ = 6349182. Its totient is φ = 6349180.

The previous prime is 6349169. The next prime is 6349199. The reversal of 6349181 is 1819436.

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., 6046681 + 302500 = 2459^2 + 550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6349181 is a prime.

It is a super-2 number, since 2×6349181² = 80624198741522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6349481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3174590 + 3174591.

It is an arithmetic number, because the mean of its divisors is an integer number (3174591).

Almost surely, 2^6349181 is an apocalyptic number.

It is an amenable number.

6349181 is a deficient number, since it is larger than the sum of its proper divisors (1).

6349181 is an equidigital number, since it uses as much as digits as its factorization.

6349181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 6349181 is about 2519.7581233126. The cubic root of 6349181 is about 185.1708283304.

The spelling of 6349181 in words is "six million, three hundred forty-nine thousand, one hundred eighty-one".