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247369 is a prime number
BaseRepresentation
bin111100011001001001
3110120022211
4330121021
530403434
65145121
72050123
oct743111
9416284
10247369
11159941
12bb1a1
1388795
1466213
154d464
hex3c649

247369 has 2 divisors, whose sum is σ = 247370. Its totient is φ = 247368.

The previous prime is 247363. The next prime is 247381. The reversal of 247369 is 963742.

247369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131769 + 115600 = 363^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 247369 - 25 = 247337 is a prime.

It is a super-2 number, since 2×2473692 = 122382844322, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 247369.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123684 + 123685.

It is an arithmetic number, because the mean of its divisors is an integer number (123685).

2247369 is an apocalyptic number.

It is an amenable number.

247369 is a deficient number, since it is larger than the sum of its proper divisors (1).

247369 is an equidigital number, since it uses as much as digits as its factorization.

247369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 247369 is about 497.3620411732. The cubic root of 247369 is about 62.7742825446.

It can be divided in two parts, 247 and 369, that added together give a palindrome (616).

The spelling of 247369 in words is "two hundred forty-seven thousand, three hundred sixty-nine".