961189 has 2 divisors, whose sum is σ = 961190. Its totient is φ = 961188.

The previous prime is 961187. The next prime is 961201. The reversal of 961189 is 981169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 613089 + 348100 = 783^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 961189 - 2¹ = 961187 is a prime.

Together with 961187, it forms a pair of twin primes.

It is a nialpdrome in base 4 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961183) 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, 480594 + 480595.

It is an arithmetic number, because the mean of its divisors is an integer number (480595).

2⁹⁶¹¹⁸⁹ is an apocalyptic number.

It is an amenable number.

961189 is a deficient number, since it is larger than the sum of its proper divisors (1).

961189 is an equidigital number, since it uses as much as digits as its factorization.

961189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 34.

The square root of 961189 is about 980.4024683771. The cubic root of 961189 is about 98.6891929230.

The spelling of 961189 in words is "nine hundred sixty-one thousand, one hundred eighty-nine".