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4285249 is a prime number
BaseRepresentation
bin10000010110001101000001
322001201020221
4100112031001
52044111444
6231503041
751265303
oct20261501
98051227
104285249
112467631
121527a81
13b70667
147d7973
15599a84
hex416341

4285249 has 2 divisors, whose sum is σ = 4285250. Its totient is φ = 4285248.

The previous prime is 4285247. The next prime is 4285313. The reversal of 4285249 is 9425824.

4285249 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2380849 + 1904400 = 1543^2 + 1380^2 .

It is a cyclic number.

It is not a de Polignac number, because 4285249 - 21 = 4285247 is a prime.

Together with 4285247, it forms a pair of twin primes.

4285249 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4285247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2142624 + 2142625.

It is an arithmetic number, because the mean of its divisors is an integer number (2142625).

Almost surely, 24285249 is an apocalyptic number.

It is an amenable number.

4285249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4285249 is an equidigital number, since it uses as much as digits as its factorization.

4285249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 4285249 is about 2070.0842978005. The cubic root of 4285249 is about 162.4271736785.

The spelling of 4285249 in words is "four million, two hundred eighty-five thousand, two hundred forty-nine".