247152 has 40 divisors (see below), whose sum is σ = 674560. Its totient is φ = 77760.

The previous prime is 247141. The next prime is 247183. The reversal of 247152 is 251742.

247152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247152² = 122168222208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

247152 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777 + ... + 1047.

It is an arithmetic number, because the mean of its divisors is an integer number (16864).

2²⁴⁷¹⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337280).

247152 is an abundant number, since it is smaller than the sum of its proper divisors (427408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247152 is a wasteful number, since it uses less digits than its factorization.

247152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 295 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 247152 is about 497.1438423636. The cubic root of 247152 is about 62.7559213049.

Adding to 247152 its reverse (251742), we get a palindrome (498894).

The spelling of 247152 in words is "two hundred forty-seven thousand, one hundred fifty-two".