248447 has 2 divisors, whose sum is σ = 248448. Its totient is φ = 248446.
The previous prime is 248441. The next prime is 248461. The reversal of 248447 is 744842.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 248447 - 24 = 248431 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (248441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124223 + 124224.
It is an arithmetic number, because the mean of its divisors is an integer number (124224).
2248447 is an apocalyptic number.
248447 is a deficient number, since it is larger than the sum of its proper divisors (1).
248447 is an equidigital number, since it uses as much as digits as its factorization.
248447 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 7168, while the sum is 29.
The square root of 248447 is about 498.4445806707. Note that the first 3 decimals coincide. The cubic root of 248447 is about 62.8653376270.
The spelling of 248447 in words is "two hundred forty-eight thousand, four hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •