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4061669 is a prime number
BaseRepresentation
bin1111011111100111100101
321122100120012
433133213211
52014433134
6223020005
746344413
oct17374745
97570505
104061669
112324657
12143a605
13ac2971
1477a2b3
155536ce
hex3df9e5

4061669 has 2 divisors, whose sum is σ = 4061670. Its totient is φ = 4061668.

The previous prime is 4061663. The next prime is 4061671. The reversal of 4061669 is 9661604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4060225 + 1444 = 2015^2 + 38^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4061669 is a prime.

It is a super-2 number, since 2×40616692 = 32994310131122, which contains 22 as substring.

Together with 4061671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4061663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2030834 + 2030835.

It is an arithmetic number, because the mean of its divisors is an integer number (2030835).

Almost surely, 24061669 is an apocalyptic number.

It is an amenable number.

4061669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4061669 is an equidigital number, since it uses as much as digits as its factorization.

4061669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 4061669 is about 2015.3582808027. The cubic root of 4061669 is about 159.5517270146.

The spelling of 4061669 in words is "four million, sixty-one thousand, six hundred sixty-nine".