6366361 has 2 divisors, whose sum is σ = 6366362. Its totient is φ = 6366360.

The previous prime is 6366359. The next prime is 6366391. The reversal of 6366361 is 1636636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6095961 + 270400 = 2469^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 6366361 - 2¹ = 6366359 is a prime.

Together with 6366359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6366391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3183180 + 3183181.

It is an arithmetic number, because the mean of its divisors is an integer number (3183181).

Almost surely, 2^6366361 is an apocalyptic number.

It is an amenable number.

6366361 is a deficient number, since it is larger than the sum of its proper divisors (1).

6366361 is an equidigital number, since it uses as much as digits as its factorization.

6366361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 6366361 is about 2523.1648776883. The cubic root of 6366361 is about 185.3376934117.

The spelling of 6366361 in words is "six million, three hundred sixty-six thousand, three hundred sixty-one".