965189 has 2 divisors, whose sum is σ = 965190. Its totient is φ = 965188.

The previous prime is 965179. The next prime is 965191. The reversal of 965189 is 981569.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 574564 + 390625 = 758^2 + 625^2 .

It is an emirp because it is prime and its reverse (981569) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 965189 - 2⁸ = 964933 is a prime.

Together with 965191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482594 + 482595.

It is an arithmetic number, because the mean of its divisors is an integer number (482595).

2⁹⁶⁵¹⁸⁹ is an apocalyptic number.

It is an amenable number.

965189 is a deficient number, since it is larger than the sum of its proper divisors (1).

965189 is an equidigital number, since it uses as much as digits as its factorization.

965189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 38.

The square root of 965189 is about 982.4403289768. The cubic root of 965189 is about 98.8259022276.

The spelling of 965189 in words is "nine hundred sixty-five thousand, one hundred eighty-nine".