195731325 has 36 divisors (see below), whose sum is σ = 351891540. Its totient is φ = 103998720.

The previous prime is 195731299. The next prime is 195731329. The reversal of 195731325 is 523137591.

It can be written as a sum of positive squares in 6 ways, for example, as 9326916 + 186404409 = 3054^2 + 13653^2 .

It is not a de Polignac number, because 195731325 - 2⁷ = 195731197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195731325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195731329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 64441 + ... + 67409.

It is an arithmetic number, because the mean of its divisors is an integer number (9774765).

Almost surely, 2^195731325 is an apocalyptic number.

195731325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195731325 is a deficient number, since it is larger than the sum of its proper divisors (156160215).

195731325 is a wasteful number, since it uses less digits than its factorization.

195731325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278 (or 3270 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 195731325 is about 13990.4011736619. The cubic root of 195731325 is about 580.6130309804.

The spelling of 195731325 in words is "one hundred ninety-five million, seven hundred thirty-one thousand, three hundred twenty-five".