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BaseRepresentation
bin111100010111011011
3110120011202
4330113123
530403014
65144415
72046605
oct742733
9416152
10247259
11159851
12bb10b
138870c
1466175
154d3de
hex3c5db

247259 has 2 divisors, whose sum is σ = 247260. Its totient is φ = 247258.

The previous prime is 247249. The next prime is 247279. The reversal of 247259 is 952742.

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 super-2 number, since 2×2472592 = 122274026162, which contains 22 as substring.

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.

It is not a weakly prime, because it can be changed into another prime (247229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123629 + 123630.

It is an arithmetic number, because the mean of its divisors is an integer number (123630).

2247259 is an apocalyptic number.

247259 is a deficient number, since it is larger than the sum of its proper divisors (1).

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 product of its digits is 5040, while the sum is 29.

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".