89170201 has 2 divisors, whose sum is σ = 89170202. Its totient is φ = 89170200.

The previous prime is 89170199. The next prime is 89170217. The reversal of 89170201 is 10207198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79566400 + 9603801 = 8920^2 + 3099^2 .

It is a cyclic number.

It is not a de Polignac number, because 89170201 - 2¹ = 89170199 is a prime.

Together with 89170199, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 89170201.

It is not a weakly prime, because it can be changed into another prime (89170001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44585100 + 44585101.

It is an arithmetic number, because the mean of its divisors is an integer number (44585101).

Almost surely, 2^89170201 is an apocalyptic number.

It is an amenable number.

89170201 is a deficient number, since it is larger than the sum of its proper divisors (1).

89170201 is an equidigital number, since it uses as much as digits as its factorization.

89170201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 89170201 is about 9442.9974584345. The cubic root of 89170201 is about 446.7589365951.

Adding to 89170201 its reverse (10207198), we get a palindrome (99377399).

The spelling of 89170201 in words is "eighty-nine million, one hundred seventy thousand, two hundred one".