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649146053 is a prime number
BaseRepresentation
bin100110101100010…
…010111011000101
31200020111000222102
4212230102323011
52312140133203
6144225241445
722041436043
oct4654227305
91606430872
10649146053
11303476046
12161493285
13a46453ba
14622db393
153bec9888
hex26b12ec5

649146053 has 2 divisors, whose sum is σ = 649146054. Its totient is φ = 649146052.

The previous prime is 649146041. The next prime is 649146061. The reversal of 649146053 is 350641946.

649146053 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., 619910404 + 29235649 = 24898^2 + 5407^2 .

It is a cyclic number.

It is not a de Polignac number, because 649146053 - 216 = 649080517 is a prime.

It is a super-3 number, since 3×6491460533 (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 649145998 and 649146016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (649146013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324573026 + 324573027.

It is an arithmetic number, because the mean of its divisors is an integer number (324573027).

Almost surely, 2649146053 is an apocalyptic number.

It is an amenable number.

649146053 is a deficient number, since it is larger than the sum of its proper divisors (1).

649146053 is an equidigital number, since it uses as much as digits as its factorization.

649146053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 649146053 is about 25478.3447853270. The cubic root of 649146053 is about 865.8595943346.

Adding to 649146053 its reverse (350641946), we get a palindrome (999787999).

The spelling of 649146053 in words is "six hundred forty-nine million, one hundred forty-six thousand, fifty-three".