5709509 has 8 divisors (see below), whose sum is σ = 6182400. Its totient is φ = 5241456.

The previous prime is 5709493. The next prime is 5709523. The reversal of 5709509 is 9059075.

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 5709509 - 2⁴ = 5709493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5709559) by changing a digit.

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, 1484 + ... + 3690.

It is an arithmetic number, because the mean of its divisors is an integer number (772800).

Almost surely, 2^5709509 is an apocalyptic number.

It is an amenable number.

5709509 is a deficient number, since it is larger than the sum of its proper divisors (472891).

5709509 is a wasteful number, since it uses less digits than its factorization.

5709509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 14175, while the sum is 35.

The square root of 5709509 is about 2389.4578883086. The cubic root of 5709509 is about 178.7308773779.

The spelling of 5709509 in words is "five million, seven hundred nine thousand, five hundred nine".