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2605254241 is a prime number
BaseRepresentation
bin1001101101001001…
…0000011001100001
320201120020121221211
42123102100121201
520313421113431
61110303350121
7121363203262
oct23322203141
96646217854
102605254241
111117664087
126085b2341
13326992675
141aa00c969
15103abc2b1
hex9b490661

2605254241 has 2 divisors, whose sum is σ = 2605254242. Its totient is φ = 2605254240.

The previous prime is 2605254221. The next prime is 2605254271. The reversal of 2605254241 is 1424525062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2552270400 + 52983841 = 50520^2 + 7279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2605254241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2605254221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302627120 + 1302627121.

It is an arithmetic number, because the mean of its divisors is an integer number (1302627121).

Almost surely, 22605254241 is an apocalyptic number.

It is an amenable number.

2605254241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605254241 is an equidigital number, since it uses as much as digits as its factorization.

2605254241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2605254241 is about 51041.6912043478. The cubic root of 2605254241 is about 1375.9945185876.

The spelling of 2605254241 in words is "two billion, six hundred five million, two hundred fifty-four thousand, two hundred forty-one".