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64526533 is a prime number
BaseRepresentation
bin1111011000100…
…1100011000101
311111102021202121
43312021203011
5113004322113
610223005541
71412316001
oct366114305
9144367677
1064526533
1133472815
12197398b1
13104a33a6
1487d9701
1559e8e8d
hex3d898c5

64526533 has 2 divisors, whose sum is σ = 64526534. Its totient is φ = 64526532.

The previous prime is 64526521. The next prime is 64526549. The reversal of 64526533 is 33562546.

64526533 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., 47568609 + 16957924 = 6897^2 + 4118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64526533 is a prime.

It is a super-2 number, since 2×645265332 = 8327346922000178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64526563) 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, 32263266 + 32263267.

It is an arithmetic number, because the mean of its divisors is an integer number (32263267).

Almost surely, 264526533 is an apocalyptic number.

It is an amenable number.

64526533 is a deficient number, since it is larger than the sum of its proper divisors (1).

64526533 is an equidigital number, since it uses as much as digits as its factorization.

64526533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 34.

The square root of 64526533 is about 8032.8409046862. The cubic root of 64526533 is about 401.0939492104.

The spelling of 64526533 in words is "sixty-four million, five hundred twenty-six thousand, five hundred thirty-three".