197841601 has 4 divisors (see below), whose sum is σ = 198148032. Its totient is φ = 197535172.

The previous prime is 197841599. The next prime is 197841617. The reversal of 197841601 is 106148791.

197841601 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 197841601 - 2¹ = 197841599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197841641) 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, 152245 + ... + 153538.

It is an arithmetic number, because the mean of its divisors is an integer number (49537008).

Almost surely, 2^197841601 is an apocalyptic number.

It is an amenable number.

197841601 is a deficient number, since it is larger than the sum of its proper divisors (306431).

197841601 is an equidigital number, since it uses as much as digits as its factorization.

197841601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306430.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 197841601 is about 14065.6176899559. The cubic root of 197841601 is about 582.6922017966.

The spelling of 197841601 in words is "one hundred ninety-seven million, eight hundred forty-one thousand, six hundred one".