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4271213 is a prime number
BaseRepresentation
bin10000010010110001101101
322001000000002
4100102301231
52043134323
6231314045
751206342
oct20226155
98030002
104271213
112458031
12151b925
13b6715b
147d27c9
15595828
hex412c6d

4271213 has 2 divisors, whose sum is σ = 4271214. Its totient is φ = 4271212.

The previous prime is 4271203. The next prime is 4271221. The reversal of 4271213 is 3121724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3771364 + 499849 = 1942^2 + 707^2 .

It is a cyclic number.

It is not a de Polignac number, because 4271213 - 28 = 4270957 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is equal to p300971 and since 4271213 and 300971 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4271203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2135606 + 2135607.

It is an arithmetic number, because the mean of its divisors is an integer number (2135607).

Almost surely, 24271213 is an apocalyptic number.

It is an amenable number.

4271213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4271213 is an equidigital number, since it uses as much as digits as its factorization.

4271213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 20.

The square root of 4271213 is about 2066.6913170573. The cubic root of 4271213 is about 162.2496405113.

Adding to 4271213 its reverse (3121724), we get a palindrome (7392937).

The spelling of 4271213 in words is "four million, two hundred seventy-one thousand, two hundred thirteen".