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5555321 is a prime number
BaseRepresentation
bin10101001100010001111001
3101110020110122
4111030101321
52410232241
6315023025
765135162
oct25142171
911406418
105555321
113154882
121a3aa75
1311c6795
14a48769
1574b04b
hex54c479

5555321 has 2 divisors, whose sum is σ = 5555322. Its totient is φ = 5555320.

The previous prime is 5555267. The next prime is 5555323. The reversal of 5555321 is 1235555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3759721 + 1795600 = 1939^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555321 - 218 = 5293177 is a prime.

It is a Sophie Germain prime.

Together with 5555323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555323) 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 as a sum of consecutive naturals, namely, 2777660 + 2777661.

It is an arithmetic number, because the mean of its divisors is an integer number (2777661).

Almost surely, 25555321 is an apocalyptic number.

It is an amenable number.

5555321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555321 is an equidigital number, since it uses as much as digits as its factorization.

5555321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3750, while the sum is 26.

The square root of 5555321 is about 2356.9728466828. The cubic root of 5555321 is about 177.1072689706.

The spelling of 5555321 in words is "five million, five hundred fifty-five thousand, three hundred twenty-one".