6662041 has 2 divisors, whose sum is σ = 6662042. Its totient is φ = 6662040.

The previous prime is 6662009. The next prime is 6662059. The reversal of 6662041 is 1402666.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5621641 + 1040400 = 2371^2 + 1020^2 .

It is a cyclic number.

It is not a de Polignac number, because 6662041 - 2⁵ = 6662009 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6661997 and 6662015.

It is not a weakly prime, because it can be changed into another prime (6662641) 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, 3331020 + 3331021.

It is an arithmetic number, because the mean of its divisors is an integer number (3331021).

Almost surely, 2^6662041 is an apocalyptic number.

It is an amenable number.

6662041 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662041 is an equidigital number, since it uses as much as digits as its factorization.

6662041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6662041 is about 2581.0929855393. The cubic root of 6662041 is about 188.1636665148.

The spelling of 6662041 in words is "six million, six hundred sixty-two thousand, forty-one".