5144609 has 4 divisors (see below), whose sum is σ = 5159700. Its totient is φ = 5129520.

The previous prime is 5144603. The next prime is 5144621. The reversal of 5144609 is 9064415.

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 4528384 + 616225 = 2128^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 5144609 - 2²⁰ = 4096033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5144603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7022 + ... + 7719.

It is an arithmetic number, because the mean of its divisors is an integer number (1289925).

Almost surely, 2^5144609 is an apocalyptic number.

It is an amenable number.

5144609 is a deficient number, since it is larger than the sum of its proper divisors (15091).

5144609 is a wasteful number, since it uses less digits than its factorization.

5144609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15090.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 5144609 is about 2268.1730533626. The cubic root of 5144609 is about 172.6304719000.

The spelling of 5144609 in words is "five million, one hundred forty-four thousand, six hundred nine".