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14525681 is a prime number
BaseRepresentation
bin110111011010…
…010011110001
31000022222111012
4313122103301
512204310211
61235200305
7234315632
oct67322361
930288435
1014525681
1182213a5
124a46095
1330177a1
141d01889
15141dd8b
hexdda4f1

14525681 has 2 divisors, whose sum is σ = 14525682. Its totient is φ = 14525680.

The previous prime is 14525663. The next prime is 14525683. The reversal of 14525681 is 18652541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14318656 + 207025 = 3784^2 + 455^2 .

It is an emirp because it is prime and its reverse (18652541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14525681 - 26 = 14525617 is a prime.

It is a super-2 number, since 2×145256812 = 421990817027522, which contains 22 as substring.

Together with 14525683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14525683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7262840 + 7262841.

It is an arithmetic number, because the mean of its divisors is an integer number (7262841).

Almost surely, 214525681 is an apocalyptic number.

It is an amenable number.

14525681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14525681 is an equidigital number, since it uses as much as digits as its factorization.

14525681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 32.

The square root of 14525681 is about 3811.2571416791. The cubic root of 14525681 is about 243.9938243084.

The spelling of 14525681 in words is "fourteen million, five hundred twenty-five thousand, six hundred eighty-one".