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540581471 is a prime number
BaseRepresentation
bin100000001110001…
…001111001011111
31101200012101100222
4200032021321133
52101342101341
6125350311555
716252603163
oct4016117137
91350171328
10540581471
11258164951
121310585bb
1387cc34c1
1451b1aca3
15326d244b
hex20389e5f

540581471 has 2 divisors, whose sum is σ = 540581472. Its totient is φ = 540581470.

The previous prime is 540581429. The next prime is 540581473. The reversal of 540581471 is 174185045.

540581471 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 is a cyclic number.

It is not a de Polignac number, because 540581471 - 214 = 540565087 is a prime.

It is a super-3 number, since 3×5405814713 (a number of 27 digits) contains 333 as substring.

Together with 540581473, 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 (540581473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270290735 + 270290736.

It is an arithmetic number, because the mean of its divisors is an integer number (270290736).

Almost surely, 2540581471 is an apocalyptic number.

540581471 is a deficient number, since it is larger than the sum of its proper divisors (1).

540581471 is an equidigital number, since it uses as much as digits as its factorization.

540581471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 540581471 is about 23250.4079749152. The cubic root of 540581471 is about 814.6174681158.

The spelling of 540581471 in words is "five hundred forty million, five hundred eighty-one thousand, four hundred seventy-one".