201017207 has 4 divisors (see below), whose sum is σ = 211597080. Its totient is φ = 190437336.

The previous prime is 201017191. The next prime is 201017221. The reversal of 201017207 is 702710102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702710102 = 2 ⋅351355051.

It is a cyclic number.

It is not a de Polignac number, because 201017207 - 2⁴ = 201017191 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 (201017227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289908 + ... + 5289945.

It is an arithmetic number, because the mean of its divisors is an integer number (52899270).

Almost surely, 2^201017207 is an apocalyptic number.

201017207 is a deficient number, since it is larger than the sum of its proper divisors (10579873).

201017207 is a wasteful number, since it uses less digits than its factorization.

201017207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579872.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 201017207 is about 14178.0537098715. The cubic root of 201017207 is about 585.7933153071.

Adding to 201017207 its reverse (702710102), we get a palindrome (903727309).

The spelling of 201017207 in words is "two hundred one million, seventeen thousand, two hundred seven".