195505285 has 4 divisors (see below), whose sum is σ = 234606348. Its totient is φ = 156404224.

The previous prime is 195505283. The next prime is 195505301. The reversal of 195505285 is 582505591.

195505285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27699169 + 167806116 = 5263^2 + 12954^2 .

It is a cyclic number.

It is not a de Polignac number, because 195505285 - 2¹ = 195505283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195505283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19550524 + ... + 19550533.

It is an arithmetic number, because the mean of its divisors is an integer number (58651587).

Almost surely, 2^195505285 is an apocalyptic number.

It is an amenable number.

195505285 is a deficient number, since it is larger than the sum of its proper divisors (39101063).

195505285 is an equidigital number, since it uses as much as digits as its factorization.

195505285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39101062.

The product of its (nonzero) digits is 90000, while the sum is 40.

The square root of 195505285 is about 13982.3204440465. The cubic root of 195505285 is about 580.3894382172.

The spelling of 195505285 in words is "one hundred ninety-five million, five hundred five thousand, two hundred eighty-five".