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BaseRepresentation
bin1010110101011000001
3200000222111
41112223001
542330014
611335321
73006004
oct1265301
9600874
10355009
112227a6
12151541
13c5785
149353b
15702c4
hex56ac1

355009 has 2 divisors, whose sum is σ = 355010. Its totient is φ = 355008.

The previous prime is 355007. The next prime is 355027. The reversal of 355009 is 900553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 124609 = 480^2 + 353^2 .

It is an emirp because it is prime and its reverse (900553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355009 - 21 = 355007 is a prime.

Together with 355007, it forms a pair of twin primes.

It is equal to p30379 and since 355009 and 30379 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (355007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177504 + 177505.

It is an arithmetic number, because the mean of its divisors is an integer number (177505).

2355009 is an apocalyptic number.

It is an amenable number.

355009 is a deficient number, since it is larger than the sum of its proper divisors (1).

355009 is an equidigital number, since it uses as much as digits as its factorization.

355009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 355009 is about 595.8263169750. The cubic root of 355009 is about 70.8075858747.

The spelling of 355009 in words is "three hundred fifty-five thousand, nine".