268247 has 4 divisors (see below), whose sum is σ = 306576. Its totient is φ = 229920.

The previous prime is 268237. The next prime is 268253. The reversal of 268247 is 742862.

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-268247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 268247.

It is not an unprimeable number, because it can be changed into a prime (268207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19154 + ... + 19167.

It is an arithmetic number, because the mean of its divisors is an integer number (76644).

2²⁶⁸²⁴⁷ is an apocalyptic number.

268247 is a deficient number, since it is larger than the sum of its proper divisors (38329).

268247 is an equidigital number, since it uses as much as digits as its factorization.

268247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38328.

The product of its digits is 5376, while the sum is 29.

The square root of 268247 is about 517.9256703428. The cubic root of 268247 is about 64.4928582121.

It can be divided in two parts, 268 and 247, that added together give a palindrome (515).

The spelling of 268247 in words is "two hundred sixty-eight thousand, two hundred forty-seven".