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6850213 is a prime number
BaseRepresentation
bin11010001000011010100101
3110220000201121
4122020122211
53223201323
6402453541
7112140316
oct32103245
913800647
106850213
113959737
1223642b1
13155aca6
14ca460d
15904a5d
hex6886a5

6850213 has 2 divisors, whose sum is σ = 6850214. Its totient is φ = 6850212.

The previous prime is 6850211. The next prime is 6850223. The reversal of 6850213 is 3120586.

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., 3526884 + 3323329 = 1878^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 6850213 - 21 = 6850211 is a prime.

Together with 6850211, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6850211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425106 + 3425107.

It is an arithmetic number, because the mean of its divisors is an integer number (3425107).

Almost surely, 26850213 is an apocalyptic number.

It is an amenable number.

6850213 is a deficient number, since it is larger than the sum of its proper divisors (1).

6850213 is an equidigital number, since it uses as much as digits as its factorization.

6850213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 6850213 is about 2617.2911569025. The cubic root of 6850213 is about 189.9188295938.

Adding to 6850213 its reverse (3120586), we get a palindrome (9970799).

The spelling of 6850213 in words is "six million, eight hundred fifty thousand, two hundred thirteen".