5047409 has 4 divisors (see below), whose sum is σ = 5051904. Its totient is φ = 5042916.

The previous prime is 5047403. The next prime is 5047411. The reversal of 5047409 is 9047405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9047405 = 5 ⋅1809481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5047409 is a prime.

It is a super-2 number, since 2×5047409² = 50952675226562, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5047403) 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, 1064 + ... + 3350.

It is an arithmetic number, because the mean of its divisors is an integer number (1262976).

Almost surely, 2^5047409 is an apocalyptic number.

It is an amenable number.

5047409 is a deficient number, since it is larger than the sum of its proper divisors (4495).

5047409 is a wasteful number, since it uses less digits than its factorization.

5047409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 5047409 is about 2246.6439415270. The cubic root of 5047409 is about 171.5363504449.

The spelling of 5047409 in words is "five million, forty-seven thousand, four hundred nine".