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526913 is a prime number
BaseRepresentation
bin10000000101001000001
3222202210022
42000221001
5113330123
615143225
74323122
oct2005101
9882708
10526913
1132a972
12214b15
13155aaa
14da049
15a61c8
hex80a41

526913 has 2 divisors, whose sum is σ = 526914. Its totient is φ = 526912.

The previous prime is 526909. The next prime is 526931. The reversal of 526913 is 319625.

Together with next prime (526931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452929 + 73984 = 673^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 526913 - 22 = 526909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (526943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263456 + 263457.

It is an arithmetic number, because the mean of its divisors is an integer number (263457).

2526913 is an apocalyptic number.

It is an amenable number.

526913 is a deficient number, since it is larger than the sum of its proper divisors (1).

526913 is an equidigital number, since it uses as much as digits as its factorization.

526913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 526913 is about 725.8877323664. The cubic root of 526913 is about 80.7692973079.

The spelling of 526913 in words is "five hundred twenty-six thousand, nine hundred thirteen".