1995636825 has 192 divisors, whose sum is σ = 4604705280. Its totient is φ = 824878080.

The previous prime is 1995636803. The next prime is 1995636833. The reversal of 1995636825 is 5286365991.

It is a happy number.

1995636825 is a `hidden beast` number, since 19 + 9 + 563 + 68 + 2 + 5 = 666.

It is not a de Polignac number, because 1995636825 - 2²³ = 1987248217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3255219 + ... + 3255831.

It is an arithmetic number, because the mean of its divisors is an integer number (23982840).

Almost surely, 2^1995636825 is an apocalyptic number.

1995636825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1995636825 is an abundant number, since it is smaller than the sum of its proper divisors (2609068455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1995636825 is a wasteful number, since it uses less digits than its factorization.

1995636825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 694 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The square root of 1995636825 is about 44672.5511360164. The cubic root of 1995636825 is about 1259.0041734848.

The spelling of 1995636825 in words is "one billion, nine hundred ninety-five million, six hundred thirty-six thousand, eight hundred twenty-five".