5047021 has 4 divisors (see below), whose sum is σ = 5768032. Its totient is φ = 4326012.

The previous prime is 5046997. The next prime is 5047033. The reversal of 5047021 is 1207405.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5047021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5047021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5047121) 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, 360495 + ... + 360508.

It is an arithmetic number, because the mean of its divisors is an integer number (1442008).

Almost surely, 2^5047021 is an apocalyptic number.

It is an amenable number.

5047021 is a deficient number, since it is larger than the sum of its proper divisors (721011).

5047021 is an equidigital number, since it uses as much as digits as its factorization.

5047021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721010.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 5047021 is about 2246.5575888457. The cubic root of 5047021 is about 171.5319549349.

The spelling of 5047021 in words is "five million, forty-seven thousand, twenty-one".