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6529084381 is a prime number
BaseRepresentation
bin1100001010010100…
…11110101111011101
3121212000121212000001
412011022132233131
5101332421200011
62555512534301
7320540205301
oct60512365735
917760555001
106529084381
112850552806
1213226b1391
13800895151
1445d1b5d01
152832e87c1
hex18529ebdd

6529084381 has 2 divisors, whose sum is σ = 6529084382. Its totient is φ = 6529084380.

The previous prime is 6529084369. The next prime is 6529084391. The reversal of 6529084381 is 1834809256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4934360025 + 1594724356 = 70245^2 + 39934^2 .

It is a cyclic number.

It is not a de Polignac number, because 6529084381 - 25 = 6529084349 is a prime.

It is a super-2 number, since 2×65290843812 = 85257885708436306322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6529084391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3264542190 + 3264542191.

It is an arithmetic number, because the mean of its divisors is an integer number (3264542191).

Almost surely, 26529084381 is an apocalyptic number.

It is an amenable number.

6529084381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6529084381 is an equidigital number, since it uses as much as digits as its factorization.

6529084381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 6529084381 is about 80802.7498356337. The cubic root of 6529084381 is about 1869.0349697732.

The spelling of 6529084381 in words is "six billion, five hundred twenty-nine million, eighty-four thousand, three hundred eighty-one".