6494181 has 8 divisors (see below), whose sum is σ = 9114720. Its totient is φ = 4101552.

The previous prime is 6494179. The next prime is 6494183. The reversal of 6494181 is 1814946.

It is an interprime number because it is at equal distance from previous prime (6494179) and next prime (6494183).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6494181 - 2¹ = 6494179 is a prime.

It is a super-2 number, since 2×6494181² = 84348773721522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6494183) 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 in 7 ways as a sum of consecutive naturals, for example, 56910 + ... + 57023.

It is an arithmetic number, because the mean of its divisors is an integer number (1139340).

Almost surely, 2^6494181 is an apocalyptic number.

It is an amenable number.

6494181 is a deficient number, since it is larger than the sum of its proper divisors (2620539).

6494181 is a wasteful number, since it uses less digits than its factorization.

6494181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113955.

The product of its digits is 6912, while the sum is 33.

The square root of 6494181 is about 2548.3683014823. The cubic root of 6494181 is about 186.5698502333.

The spelling of 6494181 in words is "six million, four hundred ninety-four thousand, one hundred eighty-one".