5561165 has 8 divisors (see below), whose sum is σ = 6748920. Its totient is φ = 4398592.

The previous prime is 5561141. The next prime is 5561189. The reversal of 5561165 is 5611655.

It is an interprime number because it is at equal distance from previous prime (5561141) and next prime (5561189).

It can be written as a sum of positive squares in 4 ways, for example, as 164836 + 5396329 = 406^2 + 2323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5561165 - 2¹⁶ = 5495629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5804 + ... + 6693.

It is an arithmetic number, because the mean of its divisors is an integer number (843615).

Almost surely, 2^5561165 is an apocalyptic number.

It is an amenable number.

5561165 is a deficient number, since it is larger than the sum of its proper divisors (1187755).

5561165 is a wasteful number, since it uses less digits than its factorization.

5561165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12591.

The product of its digits is 4500, while the sum is 29.

The square root of 5561165 is about 2358.2122465970. The cubic root of 5561165 is about 177.1693507213.

The spelling of 5561165 in words is "five million, five hundred sixty-one thousand, one hundred sixty-five".