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1000211 is a prime number
BaseRepresentation
bin11110100001100010011
31212211000212
43310030103
5224001321
633234335
711334032
oct3641423
91784025
101000211
11623523
124029ab
13290354
141c0719
1514b55b
hexf4313

1000211 has 2 divisors, whose sum is σ = 1000212. Its totient is φ = 1000210.

The previous prime is 1000199. The next prime is 1000213. The reversal of 1000211 is 1120001.

Adding to 1000211 its reverse (1120001), we get a palindrome (2120212).

Multipling 1000211 by its reverse (1120001), we get a palindrome (1120237320211).

It is a happy number.

1000211 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 is an emirp because it is prime and its reverse (1120001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1000211 is a prime.

It is a Sophie Germain prime.

Together with 1000213, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000195 and 1000204.

It is not a weakly prime, because it can be changed into another prime (1000213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500105 + 500106.

It is an arithmetic number, because the mean of its divisors is an integer number (500106).

21000211 is an apocalyptic number.

1000211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000211 is an equidigital number, since it uses as much as digits as its factorization.

1000211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1000211 is about 1000.1054944355. The cubic root of 1000211 is about 100.0070328387.

The spelling of 1000211 in words is "one million, two hundred eleven", and thus it is an aban number.