875643201 has 12 divisors (see below), whose sum is σ = 1265497428. Its totient is φ = 583448544.

The previous prime is 875643163. The next prime is 875643217. The reversal of 875643201 is 102346578.

875643201 is a `hidden beast` number, since 8 + 7 + 5 + 643 + 2 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 645210801 + 230432400 = 25401^2 + 15180^2 .

It is not a de Polignac number, because 875643201 - 2⁹ = 875642689 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (875643001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7770 + ... + 42563.

It is an arithmetic number, because the mean of its divisors is an integer number (105458119).

Almost surely, 2^875643201 is an apocalyptic number.

It is an amenable number.

875643201 is a deficient number, since it is larger than the sum of its proper divisors (389854227).

875643201 is a wasteful number, since it uses less digits than its factorization.

875643201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52272 (or 52269 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 875643201 is about 29591.2689994870. The cubic root of 875643201 is about 956.6998957461.

Adding to 875643201 its reverse (102346578), we get a palindrome (977989779).

The spelling of 875643201 in words is "eight hundred seventy-five million, six hundred forty-three thousand, two hundred one".