965345321 has 4 divisors (see below), whose sum is σ = 967458132. Its totient is φ = 963232512.

The previous prime is 965345317. The next prime is 965345341. The reversal of 965345321 is 123543569.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 323280400 + 642064921 = 17980^2 + 25339^2 .

It is a cyclic number.

It is not a de Polignac number, because 965345321 - 2² = 965345317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (965345341) 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, 1055720 + ... + 1056633.

It is an arithmetic number, because the mean of its divisors is an integer number (241864533).

Almost surely, 2^965345321 is an apocalyptic number.

It is an amenable number.

965345321 is a deficient number, since it is larger than the sum of its proper divisors (2112811).

965345321 is a wasteful number, since it uses less digits than its factorization.

965345321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112810.

The product of its digits is 97200, while the sum is 38.

The square root of 965345321 is about 31070.0067750234. The cubic root of 965345321 is about 988.3123718610.

The spelling of 965345321 in words is "nine hundred sixty-five million, three hundred forty-five thousand, three hundred twenty-one".