247047 has 4 divisors (see below), whose sum is σ = 329400. Its totient is φ = 164696.

The previous prime is 247031. The next prime is 247067. The reversal of 247047 is 740742.

247047 is digitally balanced in base 2 and base 7, because in such bases 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 a cyclic number.

It is not a de Polignac number, because 247047 - 2⁴ = 247031 is a prime.

It is a super-2 number, since 2×247047² = 122064440418, which contains 22 as substring.

It is a D-number.

247047 is strictly pandigital in base 7.

247047 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247047.

It is not an unprimeable number, because it can be changed into a prime (247007) 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, 41172 + ... + 41177.

It is an arithmetic number, because the mean of its divisors is an integer number (82350).

2²⁴⁷⁰⁴⁷ is an apocalyptic number.

247047 is a deficient number, since it is larger than the sum of its proper divisors (82353).

247047 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 8 representation: 247047 = (742407)₈.

247047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82352.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 247047 is about 497.0382279061. The cubic root of 247047 is about 62.7470329756.

Adding to 247047 its reverse (740742), we get a palindrome (987789).

The spelling of 247047 in words is "two hundred forty-seven thousand, forty-seven", and thus it is an iban number.