197825 has 12 divisors (see below), whose sum is σ = 252588. Its totient is φ = 153600.

The previous prime is 197807. The next prime is 197831. The reversal of 197825 is 528791.

It can be written as a sum of positive squares in 6 ways, for example, as 55696 + 142129 = 236^2 + 377^2 .

It is not a de Polignac number, because 197825 - 2⁸ = 197569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197791 and 197800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 929 + ... + 1121.

It is an arithmetic number, because the mean of its divisors is an integer number (21049).

2¹⁹⁷⁸²⁵ is an apocalyptic number.

It is an amenable number.

197825 is a deficient number, since it is larger than the sum of its proper divisors (54763).

197825 is a wasteful number, since it uses less digits than its factorization.

197825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 239 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 197825 is about 444.7752241301. The cubic root of 197825 is about 58.2675903331.

The spelling of 197825 in words is "one hundred ninety-seven thousand, eight hundred twenty-five".