195485725 has 6 divisors (see below), whose sum is σ = 242402330. Its totient is φ = 156388560.

The previous prime is 195485713. The next prime is 195485729. The reversal of 195485725 is 527584591.

195485725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 26563716 + 168922009 = 5154^2 + 12997^2 .

It is not a de Polignac number, because 195485725 - 2²³ = 187097117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195485729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3909690 + ... + 3909739.

Almost surely, 2^195485725 is an apocalyptic number.

It is an amenable number.

195485725 is a deficient number, since it is larger than the sum of its proper divisors (46916605).

195485725 is an equidigital number, since it uses as much as digits as its factorization.

195485725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7819439 (or 7819434 counting only the distinct ones).

The product of its digits is 504000, while the sum is 46.

The square root of 195485725 is about 13981.6209718330. The cubic root of 195485725 is about 580.3700818845.

The spelling of 195485725 in words is "one hundred ninety-five million, four hundred eighty-five thousand, seven hundred twenty-five".