197271061 has 8 divisors (see below), whose sum is σ = 212556344. Its totient is φ = 182001600.

The previous prime is 197271047. The next prime is 197271097. The reversal of 197271061 is 160172791.

It can be written as a sum of positive squares in 4 ways, for example, as 9060100 + 188210961 = 3010^2 + 13719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197271061 - 2⁵ = 197271029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197271761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40615 + ... + 45211.

It is an arithmetic number, because the mean of its divisors is an integer number (26569543).

Almost surely, 2^197271061 is an apocalyptic number.

It is an amenable number.

197271061 is a deficient number, since it is larger than the sum of its proper divisors (15285283).

197271061 is a wasteful number, since it uses less digits than its factorization.

197271061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911.

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 197271061 is about 14045.3216766296. The cubic root of 197271061 is about 582.1315355955.

The spelling of 197271061 in words is "one hundred ninety-seven million, two hundred seventy-one thousand, sixty-one".