6602993 has 2 divisors, whose sum is σ = 6602994. Its totient is φ = 6602992.

The previous prime is 6602963. The next prime is 6603007. The reversal of 6602993 is 3992066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4255969 + 2347024 = 2063^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 6602993 - 2⁸ = 6602737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6602963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3301496 + 3301497.

It is an arithmetic number, because the mean of its divisors is an integer number (3301497).

Almost surely, 2^6602993 is an apocalyptic number.

It is an amenable number.

6602993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6602993 is an equidigital number, since it uses as much as digits as its factorization.

6602993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 6602993 is about 2569.6289615429. The cubic root of 6602993 is about 187.6060958068.

The spelling of 6602993 in words is "six million, six hundred two thousand, nine hundred ninety-three".