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25136113 is a prime number
BaseRepresentation
bin101111111100…
…0101111110001
31202022001021011
41133320233301
522413323423
62254430521
7423440062
oct137705761
952261234
1025136113
1113209152
128502441
135291152
1434a4569
152317b0d
hex17f8bf1

25136113 has 2 divisors, whose sum is σ = 25136114. Its totient is φ = 25136112.

The previous prime is 25136099. The next prime is 25136129. The reversal of 25136113 is 31163152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22924944 + 2211169 = 4788^2 + 1487^2 .

It is a cyclic number.

It is not a de Polignac number, because 25136113 - 217 = 25005041 is a prime.

It is not a weakly prime, because it can be changed into another prime (25136143) 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, 12568056 + 12568057.

It is an arithmetic number, because the mean of its divisors is an integer number (12568057).

Almost surely, 225136113 is an apocalyptic number.

It is an amenable number.

25136113 is a deficient number, since it is larger than the sum of its proper divisors (1).

25136113 is an equidigital number, since it uses as much as digits as its factorization.

25136113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 22.

The square root of 25136113 is about 5013.5928235149. The cubic root of 25136113 is about 292.9314760916.

Adding to 25136113 its reverse (31163152), we get a palindrome (56299265).

The spelling of 25136113 in words is "twenty-five million, one hundred thirty-six thousand, one hundred thirteen".