5244509 has 4 divisors (see below), whose sum is σ = 5343516. Its totient is φ = 5145504.

The previous prime is 5244493. The next prime is 5244511. The reversal of 5244509 is 9054425.

It is a happy number.

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 3276100 + 1968409 = 1810^2 + 1403^2 .

It is a cyclic number.

It is not a de Polignac number, because 5244509 - 2⁴ = 5244493 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 (5244709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49424 + ... + 49529.

It is an arithmetic number, because the mean of its divisors is an integer number (1335879).

Almost surely, 2^5244509 is an apocalyptic number.

It is an amenable number.

5244509 is a deficient number, since it is larger than the sum of its proper divisors (99007).

5244509 is an equidigital number, since it uses as much as digits as its factorization.

5244509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99006.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 5244509 is about 2290.0892995689. The cubic root of 5244509 is about 173.7407178935.

The spelling of 5244509 in words is "five million, two hundred forty-four thousand, five hundred nine".