6641039 has 2 divisors, whose sum is σ = 6641040. Its totient is φ = 6641038.

The previous prime is 6641027. The next prime is 6641077. The reversal of 6641039 is 9301466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6641039 - 2¹² = 6636943 is a prime.

It is a Chen prime.

It is equal to p₄₅₃₇₇₃ and since 6641039 and 453773 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6641839) 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, 3320519 + 3320520.

It is an arithmetic number, because the mean of its divisors is an integer number (3320520).

Almost surely, 2^6641039 is an apocalyptic number.

6641039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6641039 is an equidigital number, since it uses as much as digits as its factorization.

6641039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 6641039 is about 2577.0213425581. The cubic root of 6641039 is about 187.9657305123.

The spelling of 6641039 in words is "six million, six hundred forty-one thousand, thirty-nine".