247043 has 6 divisors (see below), whose sum is σ = 258804. Its totient is φ = 235796.

The previous prime is 247031. The next prime is 247067. The reversal of 247043 is 340742.

It is a happy number.

247043 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 247043 - 2⁶ = 246979 is a prime.

It is a super-2 number, since 2×247043² = 122060487698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 296 + ... + 762.

It is an arithmetic number, because the mean of its divisors is an integer number (43134).

2²⁴⁷⁰⁴³ is an apocalyptic number.

247043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

247043 is a deficient number, since it is larger than the sum of its proper divisors (11761).

247043 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 8 representation: 247043 = (742403)₈.

247043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 247043 is about 497.0342040544. The cubic root of 247043 is about 62.7466943228.

Adding to 247043 its reverse (340742), we get a palindrome (587785).

The spelling of 247043 in words is "two hundred forty-seven thousand, forty-three", and thus it is an iban number.