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25130843 is a prime number
BaseRepresentation
bin101111111011…
…1011101011011
31202021210000222
41133313131123
522413141333
62254350255
7423415523
oct137673533
952253028
1025130843
11132051a1
1284bb38b
13528b92a
1434a2683
152316298
hex17f775b

25130843 has 2 divisors, whose sum is σ = 25130844. Its totient is φ = 25130842.

The previous prime is 25130839. The next prime is 25130891. The reversal of 25130843 is 34803152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25130843 - 22 = 25130839 is a prime.

It is not a weakly prime, because it can be changed into another prime (25130803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565421 + 12565422.

It is an arithmetic number, because the mean of its divisors is an integer number (12565422).

Almost surely, 225130843 is an apocalyptic number.

25130843 is a deficient number, since it is larger than the sum of its proper divisors (1).

25130843 is an equidigital number, since it uses as much as digits as its factorization.

25130843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 25130843 is about 5013.0672247637. The cubic root of 25130843 is about 292.9110028018.

Adding to 25130843 its reverse (34803152), we get a palindrome (59933995).

The spelling of 25130843 in words is "twenty-five million, one hundred thirty thousand, eight hundred forty-three".