965891497 has 4 divisors (see below), whose sum is σ = 980307856. Its totient is φ = 951475140.

The previous prime is 965891483. The next prime is 965891513. The reversal of 965891497 is 794198569.

965891497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 965891497 - 2⁷ = 965891369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (965891447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7208079 + ... + 7208212.

It is an arithmetic number, because the mean of its divisors is an integer number (245076964).

Almost surely, 2^965891497 is an apocalyptic number.

It is an amenable number.

965891497 is a deficient number, since it is larger than the sum of its proper divisors (14416359).

965891497 is a wasteful number, since it uses less digits than its factorization.

965891497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416358.

The product of its digits is 4898880, while the sum is 58.

The square root of 965891497 is about 31078.7949734220. The cubic root of 965891497 is about 988.4987268425.

The spelling of 965891497 in words is "nine hundred sixty-five million, eight hundred ninety-one thousand, four hundred ninety-seven".