6697319 has 2 divisors, whose sum is σ = 6697320. Its totient is φ = 6697318.

The previous prime is 6697307. The next prime is 6697321. The reversal of 6697319 is 9137966.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6697319 is a prime.

It is a super-2 number, since 2×6697319² = 89708163575522, which contains 22 as substring.

Together with 6697321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6697399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348659 + 3348660.

It is an arithmetic number, because the mean of its divisors is an integer number (3348660).

Almost surely, 2^6697319 is an apocalyptic number.

6697319 is a deficient number, since it is larger than the sum of its proper divisors (1).

6697319 is an equidigital number, since it uses as much as digits as its factorization.

6697319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 6697319 is about 2587.9178889602. The cubic root of 6697319 is about 188.4952143198.

The spelling of 6697319 in words is "six million, six hundred ninety-seven thousand, three hundred nineteen".