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BaseRepresentation
bin10000001111100111001001
322000100012221
4100033213021
52042230444
6231134041
751123502
oct20174711
98010187
104258249
112449316
121514321
13b61298
147cbba9
15591a84
hex40f9c9

4258249 has 2 divisors, whose sum is σ = 4258250. Its totient is φ = 4258248.

The previous prime is 4258237. The next prime is 4258259. The reversal of 4258249 is 9428524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3732624 + 525625 = 1932^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 4258249 - 25 = 4258217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4258259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2129124 + 2129125.

It is an arithmetic number, because the mean of its divisors is an integer number (2129125).

Almost surely, 24258249 is an apocalyptic number.

It is an amenable number.

4258249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4258249 is an equidigital number, since it uses as much as digits as its factorization.

4258249 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4258249 is about 2063.5525193220. The cubic root of 4258249 is about 162.0853206001.

The spelling of 4258249 in words is "four million, two hundred fifty-eight thousand, two hundred forty-nine".