195025 has 12 divisors (see below), whose sum is σ = 251100. Its totient is φ = 150080.

The previous prime is 195023. The next prime is 195029. The reversal of 195025 is 520591.

It can be written as a sum of positive squares in 6 ways, for example, as 28561 + 166464 = 169^2 + 408^2 .

It is not a de Polignac number, because 195025 - 2¹ = 195023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194987 and 195005.

It is not an unprimeable number, because it can be changed into a prime (195023) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 591 + ... + 859.

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

2¹⁹⁵⁰²⁵ is an apocalyptic number.

It is an amenable number.

195025 is a deficient number, since it is larger than the sum of its proper divisors (56075).

195025 is a wasteful number, since it uses less digits than its factorization.

195025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 195025 is about 441.6163493350. The cubic root of 195025 is about 57.9913780287.

The spelling of 195025 in words is "one hundred ninety-five thousand, twenty-five".