195804050 has 24 divisors (see below), whose sum is σ = 392211876. Its totient is φ = 72296640.

The previous prime is 195804047. The next prime is 195804053. The reversal of 195804050 is 50408591.

It is a Cunningham number, because it is equal to 13993²+1.

It is an interprime number because it is at equal distance from previous prime (195804047) and next prime (195804053).

It can be written as a sum of positive squares in 6 ways, for example, as 2399401 + 193404649 = 1549^2 + 13907^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 195803998 and 195804016.

It is not an unprimeable number, because it can be changed into a prime (195804053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149969 + ... + 151268.

Almost surely, 2^195804050 is an apocalyptic number.

195804050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195804050 is an abundant number, since it is smaller than the sum of its proper divisors (196407826).

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

195804050 is a wasteful number, since it uses less digits than its factorization.

195804050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301262 (or 301257 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 195804050 is about 13993.0000357322. Note that the first 4 decimals coincide. The cubic root of 195804050 is about 580.6849320147.

The spelling of 195804050 in words is "one hundred ninety-five million, eight hundred four thousand, fifty".