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5682581 is a prime number
BaseRepresentation
bin10101101011010110010101
3101200201000222
4111223112111
52423320311
6321444125
766205202
oct25532625
911621028
105682581
113231453
121aa0645
13123c698
14a7cca9
15773adb
hex56b595

5682581 has 2 divisors, whose sum is σ = 5682582. Its totient is φ = 5682580.

The previous prime is 5682569. The next prime is 5682631. The reversal of 5682581 is 1852865.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2907025 + 2775556 = 1705^2 + 1666^2 .

It is a cyclic number.

It is not a de Polignac number, because 5682581 - 214 = 5666197 is a prime.

It is a super-2 number, since 2×56825812 = 64583453643122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5882581) 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, 2841290 + 2841291.

It is an arithmetic number, because the mean of its divisors is an integer number (2841291).

Almost surely, 25682581 is an apocalyptic number.

It is an amenable number.

5682581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5682581 is an equidigital number, since it uses as much as digits as its factorization.

5682581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 35.

The square root of 5682581 is about 2383.8164778355. The cubic root of 5682581 is about 178.4494491309.

The spelling of 5682581 in words is "five million, six hundred eighty-two thousand, five hundred eighty-one".