865200201 has 16 divisors (see below), whose sum is σ = 1158960768. Its totient is φ = 574128000.

The previous prime is 865200199. The next prime is 865200211. The reversal of 865200201 is 102002568.

It is not a de Polignac number, because 865200201 - 2¹ = 865200199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (865200211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974980 + ... + 975866.

It is an arithmetic number, because the mean of its divisors is an integer number (72435048).

Almost surely, 2^865200201 is an apocalyptic number.

It is an amenable number.

865200201 is a deficient number, since it is larger than the sum of its proper divisors (293760567).

865200201 is a wasteful number, since it uses less digits than its factorization.

865200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 865200201 is about 29414.2856619024. The cubic root of 865200201 is about 952.8814457238.

Adding to 865200201 its reverse (102002568), we get a palindrome (967202769).

The spelling of 865200201 in words is "eight hundred sixty-five million, two hundred thousand, two hundred one".