6364637 has 2 divisors, whose sum is σ = 6364638. Its totient is φ = 6364636.

The previous prime is 6364627. The next prime is 6364649. The reversal of 6364637 is 7364636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5134756 + 1229881 = 2266^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 6364637 - 2⁴ = 6364621 is a prime.

It is a d-powerful number, because it can be written as 6 + 3¹² + 6 + 4¹⁰ + 6⁴ + 3¹⁴ + 7³ .

It is a junction number, because it is equal to n+sod(n) for n = 6364597 and 6364606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6364627) 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, 3182318 + 3182319.

It is an arithmetic number, because the mean of its divisors is an integer number (3182319).

Almost surely, 2^6364637 is an apocalyptic number.

It is an amenable number.

6364637 is a deficient number, since it is larger than the sum of its proper divisors (1).

6364637 is an equidigital number, since it uses as much as digits as its factorization.

6364637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 35.

The square root of 6364637 is about 2522.8232201246. The cubic root of 6364637 is about 185.3209621880.

Subtracting 6364637 from its reverse (7364636), we obtain a palindrome (999999).

The spelling of 6364637 in words is "six million, three hundred sixty-four thousand, six hundred thirty-seven".