197425 has 12 divisors (see below), whose sum is σ = 251100. Its totient is φ = 153920.

The previous prime is 197423. The next prime is 197441. The reversal of 197425 is 524791.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11664 + 185761 = 108^2 + 431^2 .

It is not a de Polignac number, because 197425 - 2¹ = 197423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197393 and 197402.

It is not an unprimeable number, because it can be changed into a prime (197423) 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 11 ways as a sum of consecutive naturals, for example, 1251 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (20925).

2¹⁹⁷⁴²⁵ is an apocalyptic number.

It is an amenable number.

197425 is a deficient number, since it is larger than the sum of its proper divisors (53675).

197425 is a wasteful number, since it uses less digits than its factorization.

197425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 207 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 197425 is about 444.3253312608. The cubic root of 197425 is about 58.2282916892.

The spelling of 197425 in words is "one hundred ninety-seven thousand, four hundred twenty-five".