5243009 has 8 divisors (see below), whose sum is σ = 5353920. Its totient is φ = 5133456.

The previous prime is 5243003. The next prime is 5243023. The reversal of 5243009 is 9003425.

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 5243009 - 2¹² = 5238913 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5243003) 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, 10994 + ... + 11460.

It is an arithmetic number, because the mean of its divisors is an integer number (669240).

Almost surely, 2^5243009 is an apocalyptic number.

It is an amenable number.

5243009 is a deficient number, since it is larger than the sum of its proper divisors (110911).

5243009 is a wasteful number, since it uses less digits than its factorization.

5243009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 5243009 is about 2289.7617780022. The cubic root of 5243009 is about 173.7241522546.

The spelling of 5243009 in words is "five million, two hundred forty-three thousand, nine".