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63053581 is a prime number
BaseRepresentation
bin1111000010000…
…1111100001101
311101122110020211
43300201330031
5112120203311
610131242421
71363642453
oct360417415
9141573224
1063053581
11326570a8
1219149411
13100a8b16
1485349d3
155807821
hex3c21f0d

63053581 has 2 divisors, whose sum is σ = 63053582. Its totient is φ = 63053580.

The previous prime is 63053567. The next prime is 63053651. The reversal of 63053581 is 18535036.

63053581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39375625 + 23677956 = 6275^2 + 4866^2 .

It is a cyclic number.

It is not a de Polignac number, because 63053581 - 225 = 29499149 is a prime.

It is a super-2 number, since 2×630535812 = 7951508153847122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63053681) 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, 31526790 + 31526791.

It is an arithmetic number, because the mean of its divisors is an integer number (31526791).

Almost surely, 263053581 is an apocalyptic number.

It is an amenable number.

63053581 is a deficient number, since it is larger than the sum of its proper divisors (1).

63053581 is an equidigital number, since it uses as much as digits as its factorization.

63053581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 63053581 is about 7940.6285015734. The cubic root of 63053581 is about 398.0184940439.

The spelling of 63053581 in words is "sixty-three million, fifty-three thousand, five hundred eighty-one".