248147 has 4 divisors (see below), whose sum is σ = 258960. Its totient is φ = 237336.

The previous prime is 248141. The next prime is 248161. The reversal of 248147 is 741842.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248141) 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, 5372 + ... + 5417.

It is an arithmetic number, because the mean of its divisors is an integer number (64740).

2²⁴⁸¹⁴⁷ is an apocalyptic number.

248147 is a deficient number, since it is larger than the sum of its proper divisors (10813).

248147 is a wasteful number, since it uses less digits than its factorization.

248147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10812.

The product of its digits is 1792, while the sum is 26.

The square root of 248147 is about 498.1435536068. The cubic root of 248147 is about 62.8400241163.

Adding to 248147 its reverse (741842), we get a palindrome (989989).

The spelling of 248147 in words is "two hundred forty-eight thousand, one hundred forty-seven".