197247995 has 32 divisors (see below), whose sum is σ = 281128320. Its totient is φ = 129991680.

The previous prime is 197247989. The next prime is 197247997. The reversal of 197247995 is 599742791.

It is not a de Polignac number, because 197247995 - 2²² = 193053691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197247997) 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 31 ways as a sum of consecutive naturals, for example, 378335 + ... + 378855.

It is an arithmetic number, because the mean of its divisors is an integer number (8785260).

Almost surely, 2^197247995 is an apocalyptic number.

197247995 is a deficient number, since it is larger than the sum of its proper divisors (83880325).

197247995 is a wasteful number, since it uses less digits than its factorization.

197247995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935.

The product of its digits is 1428840, while the sum is 53.

The square root of 197247995 is about 14044.5005251166. The cubic root of 197247995 is about 582.1088460546.

The spelling of 197247995 in words is "one hundred ninety-seven million, two hundred forty-seven thousand, nine hundred ninety-five".