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541545131 is a prime number
BaseRepresentation
bin100000010001110…
…101001010101011
31101202000100021002
4200101311022223
52102113421011
6125423105215
716264025531
oct4021651253
91352010232
10541545131
11258762966
1213144220b
138827000a
1451ccc151
1532822c3b
hex204752ab

541545131 has 2 divisors, whose sum is σ = 541545132. Its totient is φ = 541545130.

The previous prime is 541545113. The next prime is 541545157. The reversal of 541545131 is 131545145.

Together with previous prime (541545113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-541545131 is a prime.

It is a super-2 number, since 2×5415451312 = 586542257819614322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 541545094 and 541545103.

It is not a weakly prime, because it can be changed into another prime (541545031) 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, 270772565 + 270772566.

It is an arithmetic number, because the mean of its divisors is an integer number (270772566).

Almost surely, 2541545131 is an apocalyptic number.

541545131 is a deficient number, since it is larger than the sum of its proper divisors (1).

541545131 is an equidigital number, since it uses as much as digits as its factorization.

541545131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6000, while the sum is 29.

The square root of 541545131 is about 23271.1222548462. The cubic root of 541545131 is about 815.1012362481.

The spelling of 541545131 in words is "five hundred forty-one million, five hundred forty-five thousand, one hundred thirty-one".