965538947 has 2 divisors, whose sum is σ = 965538948. Its totient is φ = 965538946.

The previous prime is 965538913. The next prime is 965538949. The reversal of 965538947 is 749835569.

It is a happy number.

965538947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-965538947 is a prime.

Together with 965538949, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 965538892 and 965538901.

It is not a weakly prime, because it can be changed into another prime (965538949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482769473 + 482769474.

It is an arithmetic number, because the mean of its divisors is an integer number (482769474).

Almost surely, 2^965538947 is an apocalyptic number.

965538947 is a deficient number, since it is larger than the sum of its proper divisors (1).

965538947 is an equidigital number, since it uses as much as digits as its factorization.

965538947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 56.

The square root of 965538947 is about 31073.1225820644. The cubic root of 965538947 is about 988.3784449971.

The spelling of 965538947 in words is "nine hundred sixty-five million, five hundred thirty-eight thousand, nine hundred forty-seven".