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25114813 is a prime number
BaseRepresentation
bin101111111001…
…1100010111101
31202020222001021
41133303202331
522412133223
62254144141
7423321013
oct137634275
952228037
1025114813
11131a4149
1284b2051
135284549
14349a8b3
15231165d
hex17f38bd

25114813 has 2 divisors, whose sum is σ = 25114814. Its totient is φ = 25114812.

The previous prime is 25114787. The next prime is 25114829. The reversal of 25114813 is 31841152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 3090564 = 4693^2 + 1758^2 .

It is a cyclic number.

It is not a de Polignac number, because 25114813 - 29 = 25114301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25114853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12557406 + 12557407.

It is an arithmetic number, because the mean of its divisors is an integer number (12557407).

Almost surely, 225114813 is an apocalyptic number.

It is an amenable number.

25114813 is a deficient number, since it is larger than the sum of its proper divisors (1).

25114813 is an equidigital number, since it uses as much as digits as its factorization.

25114813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 25.

The square root of 25114813 is about 5011.4681481578. The cubic root of 25114813 is about 292.8487106606.

Adding to 25114813 its reverse (31841152), we get a palindrome (56955965).

The spelling of 25114813 in words is "twenty-five million, one hundred fourteen thousand, eight hundred thirteen".