509249 has 8 divisors (see below), whose sum is σ = 561792. Its totient is φ = 458640.

The previous prime is 509239. The next prime is 509263. The reversal of 509249 is 942905.

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

It is a de Polignac number, because none of the positive numbers 2^k-509249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (509239) 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, 104 + ... + 1014.

It is an arithmetic number, because the mean of its divisors is an integer number (70224).

2⁵⁰⁹²⁴⁹ is an apocalyptic number.

It is an amenable number.

509249 is a deficient number, since it is larger than the sum of its proper divisors (52543).

509249 is a wasteful number, since it uses less digits than its factorization.

509249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 509249 is about 713.6168439716. The cubic root of 509249 is about 79.8564613623.

The spelling of 509249 in words is "five hundred nine thousand, two hundred forty-nine".