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25443097 is a prime number
BaseRepresentation
bin110000100001…
…1101100011001
31202212122100221
41201003230121
523003134342
62305200041
7426156061
oct141035431
952778327
1025443097
11133a8859
128630021
13536aab4
1435443a1
152378a67
hex1843b19

25443097 has 2 divisors, whose sum is σ = 25443098. Its totient is φ = 25443096.

The previous prime is 25443079. The next prime is 25443133. The reversal of 25443097 is 79034452.

Together with previous prime (25443079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20620681 + 4822416 = 4541^2 + 2196^2 .

It is a cyclic number.

It is not a de Polignac number, because 25443097 - 27 = 25442969 is a prime.

It is not a weakly prime, because it can be changed into another prime (25443007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12721548 + 12721549.

It is an arithmetic number, because the mean of its divisors is an integer number (12721549).

Almost surely, 225443097 is an apocalyptic number.

It is an amenable number.

25443097 is a deficient number, since it is larger than the sum of its proper divisors (1).

25443097 is an equidigital number, since it uses as much as digits as its factorization.

25443097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 25443097 is about 5044.1150859194. The cubic root of 25443097 is about 294.1191651380.

The spelling of 25443097 in words is "twenty-five million, four hundred forty-three thousand, ninety-seven".