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526472081 is a prime number
BaseRepresentation
bin11111011000010…
…101001110010001
31100200122112220222
4133120111032101
52034234101311
6124124042425
716021640012
oct3730251621
91320575828
10526472081
112501a82a3
12128393415
13850c3355
144dcc7009
1531346adb
hex1f615391

526472081 has 2 divisors, whose sum is σ = 526472082. Its totient is φ = 526472080.

The previous prime is 526472077. The next prime is 526472087. The reversal of 526472081 is 180274625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264550225 + 261921856 = 16265^2 + 16184^2 .

It is a cyclic number.

It is not a de Polignac number, because 526472081 - 22 = 526472077 is a prime.

It is a super-2 number, since 2×5264720812 = 554345704144941122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (526472087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263236040 + 263236041.

It is an arithmetic number, because the mean of its divisors is an integer number (263236041).

Almost surely, 2526472081 is an apocalyptic number.

It is an amenable number.

526472081 is a deficient number, since it is larger than the sum of its proper divisors (1).

526472081 is an equidigital number, since it uses as much as digits as its factorization.

526472081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 526472081 is about 22944.9794290603. The cubic root of 526472081 is about 807.4676186346.

The spelling of 526472081 in words is "five hundred twenty-six million, four hundred seventy-two thousand, eighty-one".