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551442841 is a prime number
BaseRepresentation
bin100000110111100…
…101100110011001
31102102122012100221
4200313211212121
52112132132331
6130415200041
716444121035
oct4067454631
91372565327
10551442841
11263303194
12134816021
138a327151
14533471c5
153362a711
hex20de5999

551442841 has 2 divisors, whose sum is σ = 551442842. Its totient is φ = 551442840.

The previous prime is 551442809. The next prime is 551442847. The reversal of 551442841 is 148244155.

551442841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 510534025 + 40908816 = 22595^2 + 6396^2 .

It is a cyclic number.

It is not a de Polignac number, because 551442841 - 25 = 551442809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551442797 and 551442806.

It is not a weakly prime, because it can be changed into another prime (551442847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275721420 + 275721421.

It is an arithmetic number, because the mean of its divisors is an integer number (275721421).

Almost surely, 2551442841 is an apocalyptic number.

It is an amenable number.

551442841 is a deficient number, since it is larger than the sum of its proper divisors (1).

551442841 is an equidigital number, since it uses as much as digits as its factorization.

551442841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25600, while the sum is 34.

The square root of 551442841 is about 23482.8201245080. The cubic root of 551442841 is about 820.0370997492.

Adding to 551442841 its reverse (148244155), we get a palindrome (699686996).

The spelling of 551442841 in words is "five hundred fifty-one million, four hundred forty-two thousand, eight hundred forty-one".