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25448233 is a prime number
BaseRepresentation
bin110000100010…
…0111100101001
31202212220102011
41201010330221
523003320413
62305235521
7426210046
oct141047451
952786364
1025448233
11134016a8
128632ba1
135370235
1435461cd
15237a33d
hex1844f29

25448233 has 2 divisors, whose sum is σ = 25448234. Its totient is φ = 25448232.

The previous prime is 25448221. The next prime is 25448237. The reversal of 25448233 is 33284452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25431849 + 16384 = 5043^2 + 128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25448233 is a prime.

It is a super-2 number, since 2×254482332 = 1295225125644578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25448195 and 25448204.

It is not a weakly prime, because it can be changed into another prime (25448237) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12724116 + 12724117.

It is an arithmetic number, because the mean of its divisors is an integer number (12724117).

Almost surely, 225448233 is an apocalyptic number.

It is an amenable number.

25448233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25448233 is an equidigital number, since it uses as much as digits as its factorization.

25448233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 31.

The square root of 25448233 is about 5044.6241683598. The cubic root of 25448233 is about 294.1389543222.

The spelling of 25448233 in words is "twenty-five million, four hundred forty-eight thousand, two hundred thirty-three".