6604331 has 2 divisors, whose sum is σ = 6604332. Its totient is φ = 6604330.

The previous prime is 6604319. The next prime is 6604357. The reversal of 6604331 is 1334066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6604331 - 2¹⁰ = 6603307 is a prime.

It is a super-2 number, since 2×6604331² = 87234375915122, which contains 22 as substring.

It is a Chen prime.

It is equal to p₄₅₁₄₃₆ and since 6604331 and 451436 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 6604297 and 6604306.

It is not a weakly prime, because it can be changed into another prime (6604231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302165 + 3302166.

It is an arithmetic number, because the mean of its divisors is an integer number (3302166).

Almost surely, 2^6604331 is an apocalyptic number.

6604331 is a deficient number, since it is larger than the sum of its proper divisors (1).

6604331 is an equidigital number, since it uses as much as digits as its factorization.

6604331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 6604331 is about 2569.8892972266. The cubic root of 6604331 is about 187.6187668285.

Adding to 6604331 its reverse (1334066), we get a palindrome (7938397).

The spelling of 6604331 in words is "six million, six hundred four thousand, three hundred thirty-one".