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4065461 is a prime number
BaseRepresentation
bin1111100000100010110101
321122112202122
433200202311
52020043321
6223045325
746361441
oct17404265
97575678
104065461
112327494
121440845
13ac45ca
1477b821
155548ab
hex3e08b5

4065461 has 2 divisors, whose sum is σ = 4065462. Its totient is φ = 4065460.

The previous prime is 4065427. The next prime is 4065463. The reversal of 4065461 is 1645604.

It is a happy number.

4065461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3900625 + 164836 = 1975^2 + 406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4065461 is a prime.

Together with 4065463, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4065461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4065463) 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, 2032730 + 2032731.

It is an arithmetic number, because the mean of its divisors is an integer number (2032731).

Almost surely, 24065461 is an apocalyptic number.

It is an amenable number.

4065461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4065461 is an equidigital number, since it uses as much as digits as its factorization.

4065461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4065461 is about 2016.2988369783. The cubic root of 4065461 is about 159.6013644061.

The spelling of 4065461 in words is "four million, sixty-five thousand, four hundred sixty-one".