197996925 has 24 divisors (see below), whose sum is σ = 374120896. Its totient is φ = 90512640.

The previous prime is 197996917. The next prime is 197996927. The reversal of 197996925 is 529699791.

It is not a de Polignac number, because 197996925 - 2³ = 197996917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197996927) 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 23 ways as a sum of consecutive naturals, for example, 188044 + ... + 189093.

Almost surely, 2^197996925 is an apocalyptic number.

197996925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197996925 is a deficient number, since it is larger than the sum of its proper divisors (176123971).

197996925 is a wasteful number, since it uses less digits than its factorization.

197996925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377157 (or 377152 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 57.

The square root of 197996925 is about 14071.1380136789. The cubic root of 197996925 is about 582.8446510426.

The spelling of 197996925 in words is "one hundred ninety-seven million, nine hundred ninety-six thousand, nine hundred twenty-five".