247053 has 4 divisors (see below), whose sum is σ = 329408. Its totient is φ = 164700.

The previous prime is 247031. The next prime is 247067. The reversal of 247053 is 350742.

It is a happy number.

247053 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 247053 - 2¹⁷ = 115981 is a prime.

It is a super-2 number, since 2×247053² = 122070369618, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

247053 is a lucky number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 41173 + ... + 41178.

It is an arithmetic number, because the mean of its divisors is an integer number (82352).

2²⁴⁷⁰⁵³ is an apocalyptic number.

It is an amenable number.

247053 is a deficient number, since it is larger than the sum of its proper divisors (82355).

247053 is an equidigital number, since it uses as much as digits as its factorization.

247053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82354.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 247053 is about 497.0442636225. The cubic root of 247053 is about 62.7475409480.

Adding to 247053 its reverse (350742), we get a palindrome (597795).

The spelling of 247053 in words is "two hundred forty-seven thousand, fifty-three".