5047149 has 4 divisors (see below), whose sum is σ = 6729536. Its totient is φ = 3364764.

The previous prime is 5047139. The next prime is 5047151. The reversal of 5047149 is 9417405.

5047149 = 521² + 522² + ... + 538².

It is a happy number.

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.

It is not a de Polignac number, because 5047149 - 2⁵ = 5047117 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

5047149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5047129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841189 + ... + 841194.

It is an arithmetic number, because the mean of its divisors is an integer number (1682384).

Almost surely, 2^5047149 is an apocalyptic number.

It is an amenable number.

5047149 is a deficient number, since it is larger than the sum of its proper divisors (1682387).

5047149 is a wasteful number, since it uses less digits than its factorization.

5047149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682386.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 5047149 is about 2246.5860766950. The cubic root of 5047149 is about 171.5334050249.

The spelling of 5047149 in words is "five million, forty-seven thousand, one hundred forty-nine".