201500085 has 8 divisors (see below), whose sum is σ = 322400160. Its totient is φ = 107466704.

The previous prime is 201500081. The next prime is 201500087. The reversal of 201500085 is 580005102.

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 201500085 - 2² = 201500081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201500081) 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, 6716655 + ... + 6716684.

It is an arithmetic number, because the mean of its divisors is an integer number (40300020).

Almost surely, 2^201500085 is an apocalyptic number.

It is an amenable number.

201500085 is a deficient number, since it is larger than the sum of its proper divisors (120900075).

201500085 is a wasteful number, since it uses less digits than its factorization.

201500085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13433347.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 201500085 is about 14195.0725605754. The cubic root of 201500085 is about 586.2619990785.

Adding to 201500085 its reverse (580005102), we get a palindrome (781505187).

The spelling of 201500085 in words is "two hundred one million, five hundred thousand, eighty-five".