247259 is nontrivially palindromic in base 6.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-247259 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247259.
2247259 is an apocalyptic number.
247259 is an equidigital number, since it uses as much as digits as its factorization.
247259 is an evil number, because the sum of its binary digits is even.
The square root of 247259 is about 497.2514454479. The cubic root of 247259 is about 62.7649763463.
The spelling of 247259 in words is "two hundred forty-seven thousand, two hundred fifty-nine".