6997197 has 4 divisors (see below), whose sum is σ = 9329600. Its totient is φ = 4664796.

The previous prime is 6997171. The next prime is 6997201. The reversal of 6997197 is 7917996.

6997197 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 6997197 - 2⁷ = 6997069 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6997117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166197 + ... + 1166202.

It is an arithmetic number, because the mean of its divisors is an integer number (2332400).

Almost surely, 2^6997197 is an apocalyptic number.

It is an amenable number.

6997197 is a deficient number, since it is larger than the sum of its proper divisors (2332403).

6997197 is a wasteful number, since it uses less digits than its factorization.

6997197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332402.

The product of its digits is 214326, while the sum is 48.

The square root of 6997197 is about 2645.2215408166. The cubic root of 6997197 is about 191.2675817917.

The spelling of 6997197 in words is "six million, nine hundred ninety-seven thousand, one hundred ninety-seven".