5147947 has 4 divisors (see below), whose sum is σ = 5883376. Its totient is φ = 4412520.

The previous prime is 5147939. The next prime is 5147951. The reversal of 5147947 is 7497415.

5147947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5147947 - 2³ = 5147939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5147047) 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, 367704 + ... + 367717.

It is an arithmetic number, because the mean of its divisors is an integer number (1470844).

Almost surely, 2^5147947 is an apocalyptic number.

5147947 is a deficient number, since it is larger than the sum of its proper divisors (735429).

5147947 is an equidigital number, since it uses as much as digits as its factorization.

5147947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735428.

The product of its digits is 35280, while the sum is 37.

The square root of 5147947 is about 2268.9087685493. The cubic root of 5147947 is about 172.6678000320.

The spelling of 5147947 in words is "five million, one hundred forty-seven thousand, nine hundred forty-seven".