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2650013 is a prime number
BaseRepresentation
bin1010000110111110011101
311222122010122
422012332131
51134300023
6132444325
731344662
oct12067635
94878118
102650013
11154aaa3
12a796a5
1371a272
144cda69
153752c8
hex286f9d

2650013 has 2 divisors, whose sum is σ = 2650014. Its totient is φ = 2650012.

The previous prime is 2650009. The next prime is 2650027. The reversal of 2650013 is 3100562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2067844 + 582169 = 1438^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650013 - 22 = 2650009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2649973 and 2650000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2650033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325006 + 1325007.

It is an arithmetic number, because the mean of its divisors is an integer number (1325007).

22650013 is an apocalyptic number.

It is an amenable number.

2650013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650013 is an equidigital number, since it uses as much as digits as its factorization.

2650013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2650013 is about 1627.8860525233. The cubic root of 2650013 is about 138.3829766503.

Adding to 2650013 its reverse (3100562), we get a palindrome (5750575).

The spelling of 2650013 in words is "two million, six hundred fifty thousand, thirteen".