197925 has 48 divisors (see below), whose sum is σ = 416640. Its totient is φ = 80640.

The previous prime is 197921. The next prime is 197927. The reversal of 197925 is 529791.

197925 = T₁₅ + T₁₆ + ... + T₁₀₅.

It is not a de Polignac number, because 197925 - 2² = 197921 is a prime.

It is a Curzon number.

197925 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197925.

It is not an unprimeable number, because it can be changed into a prime (197921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6811 + ... + 6839.

It is an arithmetic number, because the mean of its divisors is an integer number (8680).

197925 is a Friedman number, since it can be written as 91*75*29, using all its digits and the basic arithmetic operations.

2¹⁹⁷⁹²⁵ is an apocalyptic number.

197925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197925 is an abundant number, since it is smaller than the sum of its proper divisors (218715).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197925 is a wasteful number, since it uses less digits than its factorization.

197925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 57 counting only the distinct ones).

The product of its digits is 5670, while the sum is 33.

The square root of 197925 is about 444.8876262608. The cubic root of 197925 is about 58.2774067154.

The spelling of 197925 in words is "one hundred ninety-seven thousand, nine hundred twenty-five".