965915249 has 4 divisors (see below), whose sum is σ = 1040216436. Its totient is φ = 891614064.

The previous prime is 965915221. The next prime is 965915257. The reversal of 965915249 is 942519569.

965915249 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.

It can be written as a sum of positive squares in 2 ways, for example, as 42667024 + 923248225 = 6532^2 + 30385^2 .

It is a cyclic number.

It is not a de Polignac number, because 965915249 - 2²⁰ = 964866673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 965915197 and 965915206.

It is not an unprimeable number, because it can be changed into a prime (965915219) 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, 37150574 + ... + 37150599.

It is an arithmetic number, because the mean of its divisors is an integer number (260054109).

Almost surely, 2^965915249 is an apocalyptic number.

It is an amenable number.

965915249 is a deficient number, since it is larger than the sum of its proper divisors (74301187).

965915249 is a wasteful number, since it uses less digits than its factorization.

965915249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74301186.

The product of its digits is 874800, while the sum is 50.

The square root of 965915249 is about 31079.1770965706. The cubic root of 965915249 is about 988.5068294190.

The spelling of 965915249 in words is "nine hundred sixty-five million, nine hundred fifteen thousand, two hundred forty-nine".