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526026881 is a prime number
BaseRepresentation
bin11111010110101…
…000100010000001
31100122210221020002
4133112220202001
52034130330011
6124110325345
716015104032
oct3726504201
91318727202
10526026881
1124aa23866
121281b9855
1384c98813
144dc0ca89
15312a9c3b
hex1f5a8881

526026881 has 2 divisors, whose sum is σ = 526026882. Its totient is φ = 526026880.

The previous prime is 526026877. The next prime is 526026883. The reversal of 526026881 is 188620625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372490000 + 153536881 = 19300^2 + 12391^2 .

It is a cyclic number.

It is not a de Polignac number, because 526026881 - 22 = 526026877 is a prime.

It is a super-2 number, since 2×5260268812 = 553408559069176322, which contains 22 as substring.

Together with 526026883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (526026883) 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, 263013440 + 263013441.

It is an arithmetic number, because the mean of its divisors is an integer number (263013441).

Almost surely, 2526026881 is an apocalyptic number.

It is an amenable number.

526026881 is a deficient number, since it is larger than the sum of its proper divisors (1).

526026881 is an equidigital number, since it uses as much as digits as its factorization.

526026881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 526026881 is about 22935.2759085214. The cubic root of 526026881 is about 807.2399484664.

The spelling of 526026881 in words is "five hundred twenty-six million, twenty-six thousand, eight hundred eighty-one".