197601 has 4 divisors (see below), whose sum is σ = 263472. Its totient is φ = 131732.

The previous prime is 197599. The next prime is 197609. The reversal of 197601 is 106791.

197601 is nontrivially palindromic in base 14.

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: 106791 = 3 ⋅35597.

It is a cyclic number.

It is not a de Polignac number, because 197601 - 2¹ = 197599 is a prime.

It is a D-number.

197601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (197609) 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, 32931 + ... + 32936.

It is an arithmetic number, because the mean of its divisors is an integer number (65868).

2¹⁹⁷⁶⁰¹ is an apocalyptic number.

It is an amenable number.

197601 is a deficient number, since it is larger than the sum of its proper divisors (65871).

197601 is an equidigital number, since it uses as much as digits as its factorization.

197601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65870.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 197601 is about 444.5233402196. The cubic root of 197601 is about 58.2455896260.

The spelling of 197601 in words is "one hundred ninety-seven thousand, six hundred one".