5565965 has 4 divisors (see below), whose sum is σ = 6679164. Its totient is φ = 4452768.

The previous prime is 5565913. The next prime is 5565979. The reversal of 5565965 is 5695655.

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 2365444 + 3200521 = 1538^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 5565965 - 2¹² = 5561869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556592 + ... + 556601.

It is an arithmetic number, because the mean of its divisors is an integer number (1669791).

Almost surely, 2^5565965 is an apocalyptic number.

It is an amenable number.

5565965 is a deficient number, since it is larger than the sum of its proper divisors (1113199).

5565965 is a wasteful number, since it uses less digits than its factorization.

5565965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113198.

The product of its digits is 202500, while the sum is 41.

The square root of 5565965 is about 2359.2297471844. The cubic root of 5565965 is about 177.2203093681.

The spelling of 5565965 in words is "five million, five hundred sixty-five thousand, nine hundred sixty-five".