65001189 has 16 divisors (see below), whose sum is σ = 95961600. Its totient is φ = 38805360.

The previous prime is 65001179. The next prime is 65001191. The reversal of 65001189 is 98110056.

It is a happy number.

It is not a de Polignac number, because 65001189 - 2¹¹ = 64999141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65001179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12489 + ... + 16910.

It is an arithmetic number, because the mean of its divisors is an integer number (5997600).

Almost surely, 2^65001189 is an apocalyptic number.

It is an amenable number.

65001189 is a deficient number, since it is larger than the sum of its proper divisors (30960411).

65001189 is a wasteful number, since it uses less digits than its factorization.

65001189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29480.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 65001189 is about 8062.3314866111. The cubic root of 65001189 is about 402.0750274557.

The spelling of 65001189 in words is "sixty-five million, one thousand, one hundred eighty-nine".