5609405 has 8 divisors (see below), whose sum is σ = 7127352. Its totient is φ = 4223488.

The previous prime is 5609399. The next prime is 5609407. The reversal of 5609405 is 5049065.

It can be written as a sum of positive squares in 4 ways, for example, as 1779556 + 3829849 = 1334^2 + 1957^2 .

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 5609405 - 2⁶ = 5609341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5609407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32912 + ... + 33081.

It is an arithmetic number, because the mean of its divisors is an integer number (890919).

Almost surely, 2^5609405 is an apocalyptic number.

It is an amenable number.

5609405 is a deficient number, since it is larger than the sum of its proper divisors (1517947).

5609405 is a wasteful number, since it uses less digits than its factorization.

5609405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66015.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 5609405 is about 2368.4182485364. The cubic root of 5609405 is about 177.6801582839.

The spelling of 5609405 in words is "five million, six hundred nine thousand, four hundred five".