195238575 has 72 divisors (see below), whose sum is σ = 403554528. Its totient is φ = 88381440.

The previous prime is 195238543. The next prime is 195238577. The reversal of 195238575 is 575832591.

It is not a de Polignac number, because 195238575 - 2⁵ = 195238543 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 195238575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195238577) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 177427 + ... + 178523.

It is an arithmetic number, because the mean of its divisors is an integer number (5604924).

Almost surely, 2^195238575 is an apocalyptic number.

195238575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195238575 is an abundant number, since it is smaller than the sum of its proper divisors (208315953).

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

195238575 is a wasteful number, since it uses less digits than its factorization.

195238575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1225 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 195238575 is about 13972.7797878590. The cubic root of 195238575 is about 580.1253940139.

The spelling of 195238575 in words is "one hundred ninety-five million, two hundred thirty-eight thousand, five hundred seventy-five".