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1056217 is a prime number
BaseRepresentation
bin100000001110111011001
31222122212011
410001313121
5232244332
634345521
711656231
oct4016731
91878764
101056217
11661608
1242b2a1
132ac9a6
141d6cc1
1515ce47
hex101dd9

1056217 has 2 divisors, whose sum is σ = 1056218. Its totient is φ = 1056216.

The previous prime is 1056203. The next prime is 1056241. The reversal of 1056217 is 7126501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 553536 + 502681 = 744^2 + 709^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056217 - 27 = 1056089 is a prime.

It is a super-2 number, since 2×10562172 = 2231188702178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1056247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528108 + 528109.

It is an arithmetic number, because the mean of its divisors is an integer number (528109).

21056217 is an apocalyptic number.

It is an amenable number.

1056217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056217 is an equidigital number, since it uses as much as digits as its factorization.

1056217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1056217 is about 1027.7241847889. The cubic root of 1056217 is about 101.8398422097.

The spelling of 1056217 in words is "one million, fifty-six thousand, two hundred seventeen".