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557271241 is a prime number
BaseRepresentation
bin100001001101110…
…100100011001001
31102211121022102121
4201031310203021
52120130134431
6131144131241
716544504332
oct4115644311
91384538377
10557271241
1126662414a
12136766b21
138b5b7cc7
1454023289
1533dcc611
hex213748c9

557271241 has 2 divisors, whose sum is σ = 557271242. Its totient is φ = 557271240.

The previous prime is 557271229. The next prime is 557271251. The reversal of 557271241 is 142172755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436183225 + 121088016 = 20885^2 + 11004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-557271241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557271197 and 557271206.

It is not a weakly prime, because it can be changed into another prime (557271251) 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, 278635620 + 278635621.

It is an arithmetic number, because the mean of its divisors is an integer number (278635621).

Almost surely, 2557271241 is an apocalyptic number.

It is an amenable number.

557271241 is a deficient number, since it is larger than the sum of its proper divisors (1).

557271241 is an equidigital number, since it uses as much as digits as its factorization.

557271241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19600, while the sum is 34.

The square root of 557271241 is about 23606.5931680113. The cubic root of 557271241 is about 822.9160706287.

The spelling of 557271241 in words is "five hundred fifty-seven million, two hundred seventy-one thousand, two hundred forty-one".