197081258 has 16 divisors (see below), whose sum is σ = 322721280. Its totient is φ = 89520000.

The previous prime is 197081233. The next prime is 197081321. The reversal of 197081258 is 852180791.

It is an unprimeable number.

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, 47258 + ... + 51258.

It is an arithmetic number, because the mean of its divisors is an integer number (20170080).

Almost surely, 2^197081258 is an apocalyptic number.

197081258 is a deficient number, since it is larger than the sum of its proper divisors (125640022).

197081258 is a wasteful number, since it uses less digits than its factorization.

197081258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253.

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 197081258 is about 14038.5632455747. The cubic root of 197081258 is about 581.9447777303.

The spelling of 197081258 in words is "one hundred ninety-seven million, eighty-one thousand, two hundred fifty-eight".