195725 has 6 divisors (see below), whose sum is σ = 242730. Its totient is φ = 156560.

The previous prime is 195709. The next prime is 195731. The reversal of 195725 is 527591.

It can be written as a sum of positive squares in 3 ways, for example, as 361 + 195364 = 19^2 + 442^2 .

It is not a de Polignac number, because 195725 - 2⁴ = 195709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3890 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (40455).

2¹⁹⁵⁷²⁵ is an apocalyptic number.

It is an amenable number.

195725 is a deficient number, since it is larger than the sum of its proper divisors (47005).

195725 is an equidigital number, since it uses as much as digits as its factorization.

195725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839 (or 7834 counting only the distinct ones).

The product of its digits is 3150, while the sum is 29.

The square root of 195725 is about 442.4081825645. The cubic root of 195725 is about 58.0606776800.

The spelling of 195725 in words is "one hundred ninety-five thousand, seven hundred twenty-five".