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25325797 = 723761229
BaseRepresentation
bin110000010011…
…1000011100101
31202122200110111
41200213003211
522440411142
62302453021
7425160100
oct140470345
952580414
1025325797
1113328712
128594171
1353295a3
143513737
152353e17
hex18270e5

25325797 has 24 divisors (see below), whose sum is σ = 30887160. Its totient is φ = 20684160.

The previous prime is 25325779. The next prime is 25325813. The reversal of 25325797 is 79752352.

It can be written as a sum of positive squares in 4 ways, for example, as 7568001 + 17757796 = 2751^2 + 4214^2 .

It is not a de Polignac number, because 25325797 - 27 = 25325669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25325777) 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 in 23 ways as a sum of consecutive naturals, for example, 110479 + ... + 110707.

It is an arithmetic number, because the mean of its divisors is an integer number (1286965).

Almost surely, 225325797 is an apocalyptic number.

It is an amenable number.

25325797 is a deficient number, since it is larger than the sum of its proper divisors (5561363).

25325797 is a wasteful number, since it uses less digits than its factorization.

25325797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 334 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 25325797 is about 5032.4742423583. The cubic root of 25325797 is about 293.6664774160. Note that the first 3 decimals are identical.

The spelling of 25325797 in words is "twenty-five million, three hundred twenty-five thousand, seven hundred ninety-seven".

Divisors: 1 7 37 49 61 229 259 427 1603 1813 2257 2989 8473 11221 13969 15799 59311 97783 110593 415177 516853 684481 3617971 25325797