965563 has 4 divisors (see below), whose sum is σ = 1007568. Its totient is φ = 923560.

The previous prime is 965551. The next prime is 965567. The reversal of 965563 is 365569.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-965563 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (965567) 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, 20968 + ... + 21013.

It is an arithmetic number, because the mean of its divisors is an integer number (251892).

2⁹⁶⁵⁵⁶³ is an apocalyptic number.

965563 is a deficient number, since it is larger than the sum of its proper divisors (42005).

965563 is a wasteful number, since it uses less digits than its factorization.

965563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42004.

The product of its digits is 24300, while the sum is 34.

The square root of 965563 is about 982.6306528905. The cubic root of 965563 is about 98.8386652251.

The spelling of 965563 in words is "nine hundred sixty-five thousand, five hundred sixty-three".