197005197 has 8 divisors (see below), whose sum is σ = 278125056. Its totient is φ = 123611072.

The previous prime is 197005181. The next prime is 197005229. The reversal of 197005197 is 791500791.

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 197005197 - 2⁴ = 197005181 is a prime.

It is a super-2 number, since 2×197005197² = 77622095290017618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197005177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1931373 + ... + 1931474.

It is an arithmetic number, because the mean of its divisors is an integer number (34765632).

Almost surely, 2^197005197 is an apocalyptic number.

197005197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

197005197 is a deficient number, since it is larger than the sum of its proper divisors (81119859).

197005197 is a wasteful number, since it uses less digits than its factorization.

197005197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862867.

The product of its (nonzero) digits is 19845, while the sum is 39.

The square root of 197005197 is about 14035.8539818566. The cubic root of 197005197 is about 581.8699033736.

The spelling of 197005197 in words is "one hundred ninety-seven million, five thousand, one hundred ninety-seven".