197097 has 4 divisors (see below), whose sum is σ = 262800. Its totient is φ = 131396.

The previous prime is 197089. The next prime is 197101. The reversal of 197097 is 790791.

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, and also an emirpimes, since its reverse is a distinct semiprime: 790791 = 3 ⋅263597.

It is a cyclic number.

It is not a de Polignac number, because 197097 - 2³ = 197089 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (197077) 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, 32847 + ... + 32852.

It is an arithmetic number, because the mean of its divisors is an integer number (65700).

2¹⁹⁷⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

197097 is a deficient number, since it is larger than the sum of its proper divisors (65703).

197097 is an equidigital number, since it uses as much as digits as its factorization.

197097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65702.

The product of its (nonzero) digits is 3969, while the sum is 33.

The square root of 197097 is about 443.9560789087. The cubic root of 197097 is about 58.1960271730.

The spelling of 197097 in words is "one hundred ninety-seven thousand, ninety-seven".