195871528 has 16 divisors (see below), whose sum is σ = 367574580. Its totient is φ = 97851648.

The previous prime is 195871523. The next prime is 195871537. The reversal of 195871528 is 825178591.

195871528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

195871528 is a nontrivial binomial coefficient, being equal to C(19793, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 179077924 + 16793604 = 13382^2 + 4098^2 .

It is not an unprimeable number, because it can be changed into a prime (195871523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 19792.

Almost surely, 2^195871528 is an apocalyptic number.

195871528 is the 19792-nd triangular number.

195871528 is the 6598-th centered nonagonal number.

It is an amenable number.

195871528 is a deficient number, since it is larger than the sum of its proper divisors (171703052).

195871528 is a wasteful number, since it uses less digits than its factorization.

195871528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21036 (or 21032 counting only the distinct ones).

The product of its digits is 201600, while the sum is 46.

The square root of 195871528 is about 13995.4109621690. The cubic root of 195871528 is about 580.7516295755.

It can be divided in two parts, 19587 and 1528, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 195871528 in words is "one hundred ninety-five million, eight hundred seventy-one thousand, five hundred twenty-eight".