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650005541 is a prime number
BaseRepresentation
bin100110101111100…
…100110000100101
31200022002200222022
4212233210300211
52312400134131
6144255512525
722051645613
oct4657446045
91608080868
10650005541
11303a02869
12161828745
13a4886683
14624826b3
153c0e937b
hex26be4c25

650005541 has 2 divisors, whose sum is σ = 650005542. Its totient is φ = 650005540.

The previous prime is 650005519. The next prime is 650005579. The reversal of 650005541 is 145500056.

650005541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495997441 + 154008100 = 22271^2 + 12410^2 .

It is a cyclic number.

It is not a de Polignac number, because 650005541 - 210 = 650004517 is a prime.

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 650005541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650005511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325002770 + 325002771.

It is an arithmetic number, because the mean of its divisors is an integer number (325002771).

Almost surely, 2650005541 is an apocalyptic number.

It is an amenable number.

650005541 is a deficient number, since it is larger than the sum of its proper divisors (1).

650005541 is an equidigital number, since it uses as much as digits as its factorization.

650005541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 650005541 is about 25495.2062356828. The cubic root of 650005541 is about 866.2415667856.

Adding to 650005541 its reverse (145500056), we get a palindrome (795505597).

The spelling of 650005541 in words is "six hundred fifty million, five thousand, five hundred forty-one".