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25134827 is a prime number
BaseRepresentation
bin101111111100…
…0011011101011
31202021222111112
41133320123223
522413303302
62254420535
7423433244
oct137703353
952258445
1025134827
1113208193
12850174b
1352906a3
1434a3ccb
152317552
hex17f86eb

25134827 has 2 divisors, whose sum is σ = 25134828. Its totient is φ = 25134826.

The previous prime is 25134779. The next prime is 25134829. The reversal of 25134827 is 72843152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25134827 - 224 = 8357611 is a prime.

Together with 25134829, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25134793 and 25134802.

It is not a weakly prime, because it can be changed into another prime (25134829) 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, 12567413 + 12567414.

It is an arithmetic number, because the mean of its divisors is an integer number (12567414).

Almost surely, 225134827 is an apocalyptic number.

25134827 is a deficient number, since it is larger than the sum of its proper divisors (1).

25134827 is an equidigital number, since it uses as much as digits as its factorization.

25134827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 25134827 is about 5013.4645705340. The cubic root of 25134827 is about 292.9264804066.

Adding to 25134827 its reverse (72843152), we get a palindrome (97977979).

The spelling of 25134827 in words is "twenty-five million, one hundred thirty-four thousand, eight hundred twenty-seven".