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4491241 is a prime number
BaseRepresentation
bin10001001000011111101001
322110011211021
4101020133221
52122204431
6240132441
753113666
oct21103751
98404737
104491241
112598377
121607121
13c13351
1484ca6d
155dab11
hex4487e9

4491241 has 2 divisors, whose sum is σ = 4491242. Its totient is φ = 4491240.

The previous prime is 4491217. The next prime is 4491301. The reversal of 4491241 is 1421944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3225616 + 1265625 = 1796^2 + 1125^2 .

It is a cyclic number.

It is not a de Polignac number, because 4491241 - 29 = 4490729 is a prime.

4491241 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4491341) 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, 2245620 + 2245621.

It is an arithmetic number, because the mean of its divisors is an integer number (2245621).

Almost surely, 24491241 is an apocalyptic number.

It is an amenable number.

4491241 is a deficient number, since it is larger than the sum of its proper divisors (1).

4491241 is an equidigital number, since it uses as much as digits as its factorization.

4491241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 4491241 is about 2119.2548218655. The cubic root of 4491241 is about 164.9891759046.

The spelling of 4491241 in words is "four million, four hundred ninety-one thousand, two hundred forty-one".