195533243 has 8 divisors (see below), whose sum is σ = 200674656. Its totient is φ = 190454400.

The previous prime is 195533231. The next prime is 195533249. The reversal of 195533243 is 342335591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195533243 - 2⁴ = 195533227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195533249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9278 + ... + 21843.

It is an arithmetic number, because the mean of its divisors is an integer number (25084332).

Almost surely, 2^195533243 is an apocalyptic number.

195533243 is a deficient number, since it is larger than the sum of its proper divisors (5141413).

195533243 is a wasteful number, since it uses less digits than its factorization.

195533243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31285.

The product of its digits is 48600, while the sum is 35.

The square root of 195533243 is about 13983.3201708321. The cubic root of 195533243 is about 580.4171028649.

The spelling of 195533243 in words is "one hundred ninety-five million, five hundred thirty-three thousand, two hundred forty-three".