5047909 has 6 divisors (see below), whose sum is σ = 5106374. Its totient is φ = 4989960.

The previous prime is 5047907. The next prime is 5047921. The reversal of 5047909 is 9097405.

It can be written as a sum of positive squares in only one way, i.e., 2788900 + 2259009 = 1670^2 + 1503^2 .

It is not a de Polignac number, because 5047909 - 2¹ = 5047907 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 (5047907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27799 + ... + 27979.

Almost surely, 2^5047909 is an apocalyptic number.

It is an amenable number.

5047909 is a deficient number, since it is larger than the sum of its proper divisors (58465).

5047909 is an equidigital number, since it uses as much as digits as its factorization.

5047909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 5047909 is about 2246.7552158613. The cubic root of 5047909 is about 171.5420144296.

The spelling of 5047909 in words is "five million, forty-seven thousand, nine hundred nine".