6397161 has 4 divisors (see below), whose sum is σ = 8529552. Its totient is φ = 4264772.

The previous prime is 6397147. The next prime is 6397211. The reversal of 6397161 is 1617936.

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 6397161 - 2⁷ = 6397033 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6397121) 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, 1066191 + ... + 1066196.

It is an arithmetic number, because the mean of its divisors is an integer number (2132388).

Almost surely, 2^6397161 is an apocalyptic number.

It is an amenable number.

6397161 is a deficient number, since it is larger than the sum of its proper divisors (2132391).

6397161 is a wasteful number, since it uses less digits than its factorization.

6397161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132390.

The product of its digits is 6804, while the sum is 33.

The square root of 6397161 is about 2529.2609592527. The cubic root of 6397161 is about 185.6360962202.

The spelling of 6397161 in words is "six million, three hundred ninety-seven thousand, one hundred sixty-one".