965189117 has 2 divisors, whose sum is σ = 965189118. Its totient is φ = 965189116.

The previous prime is 965189111. The next prime is 965189129. The reversal of 965189117 is 711981569.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 943042681 + 22146436 = 30709^2 + 4706^2 .

It is a cyclic number.

It is not a de Polignac number, because 965189117 - 2¹⁶ = 965123581 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965189111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482594558 + 482594559.

It is an arithmetic number, because the mean of its divisors is an integer number (482594559).

Almost surely, 2^965189117 is an apocalyptic number.

It is an amenable number.

965189117 is a deficient number, since it is larger than the sum of its proper divisors (1).

965189117 is an equidigital number, since it uses as much as digits as its factorization.

965189117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 47.

The square root of 965189117 is about 31067.4929307146. The cubic root of 965189117 is about 988.2590622077.

The spelling of 965189117 in words is "nine hundred sixty-five million, one hundred eighty-nine thousand, one hundred seventeen".