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2543141 is a prime number
BaseRepresentation
bin1001101100111000100101
311210012112102
421230320211
51122340031
6130301445
730421256
oct11547045
94705472
102543141
111487777
12a27885
136b0723
144a2b2d
153537cb
hex26ce25

2543141 has 2 divisors, whose sum is σ = 2543142. Its totient is φ = 2543140.

The previous prime is 2543129. The next prime is 2543143. The reversal of 2543141 is 1413452.

2543141 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., 2114116 + 429025 = 1454^2 + 655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2543141 is a prime.

It is a super-2 number, since 2×25431412 = 12935132291762, which contains 22 as substring.

Together with 2543143, 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 (2543143) 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, 1271570 + 1271571.

It is an arithmetic number, because the mean of its divisors is an integer number (1271571).

22543141 is an apocalyptic number.

It is an amenable number.

2543141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543141 is an equidigital number, since it uses as much as digits as its factorization.

2543141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 20.

The square root of 2543141 is about 1594.7228599352. The cubic root of 2543141 is about 136.4971173923.

Adding to 2543141 its reverse (1413452), we get a palindrome (3956593).

The spelling of 2543141 in words is "two million, five hundred forty-three thousand, one hundred forty-one".