Search a number
-
+
14553281 is a prime number
BaseRepresentation
bin110111100001…
…000011000001
31000101101100102
4313201003001
512211201111
61235532145
7234462251
oct67410301
930341312
1014553281
118240106
124a5a055
133027212
141d0b961
15142713b
hexde10c1

14553281 has 2 divisors, whose sum is σ = 14553282. Its totient is φ = 14553280.

The previous prime is 14553257. The next prime is 14553283. The reversal of 14553281 is 18235541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 6713281 = 2800^2 + 2591^2 .

It is an emirp because it is prime and its reverse (18235541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14553281 - 210 = 14552257 is a prime.

It is a super-2 number, since 2×145532812 = 423595975729922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 14553283, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14553283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7276640 + 7276641.

It is an arithmetic number, because the mean of its divisors is an integer number (7276641).

Almost surely, 214553281 is an apocalyptic number.

It is an amenable number.

14553281 is a deficient number, since it is larger than the sum of its proper divisors (1).

14553281 is an equidigital number, since it uses as much as digits as its factorization.

14553281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 29.

The square root of 14553281 is about 3814.8762758443. The cubic root of 14553281 is about 244.1482627096.

The spelling of 14553281 in words is "fourteen million, five hundred fifty-three thousand, two hundred eighty-one".