197284133 has 8 divisors (see below), whose sum is σ = 217971648. Its totient is φ = 177605824.

The previous prime is 197284127. The next prime is 197284151. The reversal of 197284133 is 331482791.

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 197284133 - 2⁶ = 197284069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197284103) 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, 251891 + ... + 252672.

It is an arithmetic number, because the mean of its divisors is an integer number (27246456).

Almost surely, 2^197284133 is an apocalyptic number.

It is an amenable number.

197284133 is a deficient number, since it is larger than the sum of its proper divisors (20687515).

197284133 is a wasteful number, since it uses less digits than its factorization.

197284133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504603.

The product of its digits is 36288, while the sum is 38.

The square root of 197284133 is about 14045.7870196013. The cubic root of 197284133 is about 582.1443934627.

The spelling of 197284133 in words is "one hundred ninety-seven million, two hundred eighty-four thousand, one hundred thirty-three".