5609249 has 4 divisors (see below), whose sum is σ = 5660820. Its totient is φ = 5557680.

The previous prime is 5609243. The next prime is 5609257. The reversal of 5609249 is 9429065.

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 3150625 + 2458624 = 1775^2 + 1568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5609249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5609243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25622 + ... + 25839.

It is an arithmetic number, because the mean of its divisors is an integer number (1415205).

Almost surely, 2^5609249 is an apocalyptic number.

It is an amenable number.

5609249 is a deficient number, since it is larger than the sum of its proper divisors (51571).

5609249 is a wasteful number, since it uses less digits than its factorization.

5609249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51570.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 5609249 is about 2368.3853149351. The cubic root of 5609249 is about 177.6785111477.

The spelling of 5609249 in words is "five million, six hundred nine thousand, two hundred forty-nine".