547147 has 4 divisors (see below), whose sum is σ = 570960. Its totient is φ = 523336.

The previous prime is 547139. The next prime is 547171. The reversal of 547147 is 741745.

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

It is a cyclic number.

It is not a de Polignac number, because 547147 - 2³ = 547139 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (547747) 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, 11872 + ... + 11917.

It is an arithmetic number, because the mean of its divisors is an integer number (142740).

2⁵⁴⁷¹⁴⁷ is an apocalyptic number.

547147 is a deficient number, since it is larger than the sum of its proper divisors (23813).

547147 is a wasteful number, since it uses less digits than its factorization.

547147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23812.

The product of its digits is 3920, while the sum is 28.

The square root of 547147 is about 739.6938555916. The cubic root of 547147 is about 81.7902132986.

The spelling of 547147 in words is "five hundred forty-seven thousand, one hundred forty-seven".