6598019 has 2 divisors, whose sum is σ = 6598020. Its totient is φ = 6598018.

The previous prime is 6598013. The next prime is 6598021. The reversal of 6598019 is 9108956.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6598019 is a prime.

It is a super-2 number, since 2×6598019² = 87067709448722, which contains 22 as substring.

Together with 6598021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6598013) 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, 3299009 + 3299010.

It is an arithmetic number, because the mean of its divisors is an integer number (3299010).

Almost surely, 2^6598019 is an apocalyptic number.

6598019 is a deficient number, since it is larger than the sum of its proper divisors (1).

6598019 is an equidigital number, since it uses as much as digits as its factorization.

6598019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 6598019 is about 2568.6609351956. The cubic root of 6598019 is about 187.5589764105.

The spelling of 6598019 in words is "six million, five hundred ninety-eight thousand, nineteen".