6484381 has 2 divisors, whose sum is σ = 6484382. Its totient is φ = 6484380.

The previous prime is 6484351. The next prime is 6484397. The reversal of 6484381 is 1834846.

6484381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6081156 + 403225 = 2466^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 6484381 - 2⁷ = 6484253 is a prime.

It is a super-2 number, since 2×6484381² = 84094393906322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6484351) 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, 3242190 + 3242191.

It is an arithmetic number, because the mean of its divisors is an integer number (3242191).

Almost surely, 2^6484381 is an apocalyptic number.

It is an amenable number.

6484381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6484381 is an equidigital number, since it uses as much as digits as its factorization.

6484381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 6484381 is about 2546.4447765463. Note that the first 3 decimals coincide. The cubic root of 6484381 is about 186.4759556627.

The spelling of 6484381 in words is "six million, four hundred eighty-four thousand, three hundred eighty-one".