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526213 is a prime number
BaseRepresentation
bin10000000011110000101
3222201211101
42000132011
5113314323
615140101
74321102
oct2003605
9881741
10526213
1132a396
12214631
1315568c
14d9aa9
15a5dad
hex80785

526213 has 2 divisors, whose sum is σ = 526214. Its totient is φ = 526212.

The previous prime is 526199. The next prime is 526223. The reversal of 526213 is 312625.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338724 + 187489 = 582^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 526213 - 217 = 395141 is a prime.

It is a d-powerful number, because it can be written as 54 + 218 + 218 + 64 + 1 + 3 .

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263106 + 263107.

It is an arithmetic number, because the mean of its divisors is an integer number (263107).

2526213 is an apocalyptic number.

It is an amenable number.

526213 is a deficient number, since it is larger than the sum of its proper divisors (1).

526213 is an equidigital number, since it uses as much as digits as its factorization.

526213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 526213 is about 725.4054038950. The cubic root of 526213 is about 80.7335143206.

Adding to 526213 its reverse (312625), we get a palindrome (838838).

The spelling of 526213 in words is "five hundred twenty-six thousand, two hundred thirteen".