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63528481 is a prime number
BaseRepresentation
bin1111001001010…
…1111000100001
311102112120200201
43302111320201
5112230402411
610145345201
71400661142
oct362257041
9142476621
1063528481
1132950985
1219338201
1310214023
148619ac9
15589d3c1
hex3c95e21

63528481 has 2 divisors, whose sum is σ = 63528482. Its totient is φ = 63528480.

The previous prime is 63528433. The next prime is 63528497. The reversal of 63528481 is 18482536.

It is a happy number.

63528481 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., 35808256 + 27720225 = 5984^2 + 5265^2 .

It is a cyclic number.

It is not a de Polignac number, because 63528481 - 217 = 63397409 is a prime.

It is a super-2 number, since 2×635284812 = 8071735796334722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63528481.

It is not a weakly prime, because it can be changed into another prime (63528401) 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, 31764240 + 31764241.

It is an arithmetic number, because the mean of its divisors is an integer number (31764241).

Almost surely, 263528481 is an apocalyptic number.

It is an amenable number.

63528481 is a deficient number, since it is larger than the sum of its proper divisors (1).

63528481 is an equidigital number, since it uses as much as digits as its factorization.

63528481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 63528481 is about 7970.4755817956. The cubic root of 63528481 is about 399.0152463903.

It can be divided in two parts, 63528 and 481, that added together give a square (64009 = 2532).

The spelling of 63528481 in words is "sixty-three million, five hundred twenty-eight thousand, four hundred eighty-one".