201850197 has 8 divisors (see below), whose sum is σ = 284965056. Its totient is φ = 126651072.

The previous prime is 201850193. The next prime is 201850219. The reversal of 201850197 is 791058102.

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

It is not a de Polignac number, because 201850197 - 2² = 201850193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201850193) 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, 1978873 + ... + 1978974.

It is an arithmetic number, because the mean of its divisors is an integer number (35620632).

Almost surely, 2^201850197 is an apocalyptic number.

It is an amenable number.

201850197 is a deficient number, since it is larger than the sum of its proper divisors (83114859).

201850197 is a wasteful number, since it uses less digits than its factorization.

201850197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957867.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 201850197 is about 14207.3993749736. The cubic root of 201850197 is about 586.6013514507.

The spelling of 201850197 in words is "two hundred one million, eight hundred fifty thousand, one hundred ninety-seven".