254247 has 8 divisors (see below), whose sum is σ = 387456. Its totient is φ = 145272.

The previous prime is 254213. The next prime is 254249. The reversal of 254247 is 742452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 254247 - 2⁷ = 254119 is a prime.

254247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6033 + ... + 6074.

It is an arithmetic number, because the mean of its divisors is an integer number (48432).

2²⁵⁴²⁴⁷ is an apocalyptic number.

254247 is a deficient number, since it is larger than the sum of its proper divisors (133209).

254247 is a wasteful number, since it uses less digits than its factorization.

254247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12117.

The product of its digits is 2240, while the sum is 24.

The square root of 254247 is about 504.2291145898. The cubic root of 254247 is about 63.3507769741.

Adding to 254247 its reverse (742452), we get a palindrome (996699).

The spelling of 254247 in words is "two hundred fifty-four thousand, two hundred forty-seven".