6318997 has 4 divisors (see below), whose sum is σ = 6593760. Its totient is φ = 6044236.

The previous prime is 6318989. The next prime is 6319003. The reversal of 6318997 is 7998136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6318997 - 2³ = 6318989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6318937) 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 in 3 ways as a sum of consecutive naturals, for example, 137347 + ... + 137392.

It is an arithmetic number, because the mean of its divisors is an integer number (1648440).

Almost surely, 2^6318997 is an apocalyptic number.

It is an amenable number.

6318997 is a deficient number, since it is larger than the sum of its proper divisors (274763).

6318997 is a wasteful number, since it uses less digits than its factorization.

6318997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274762.

The product of its digits is 81648, while the sum is 43.

The square root of 6318997 is about 2513.7615240909. The cubic root of 6318997 is about 184.8769281271.

The spelling of 6318997 in words is "six million, three hundred eighteen thousand, nine hundred ninety-seven".