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523349 is a prime number
BaseRepresentation
bin1111111110001010101
3222120220022
41333301111
5113221344
615114525
74306541
oct1776125
9876808
10523349
11328222
12212a45
13154298
14d8a21
15a50ee
hex7fc55

523349 has 2 divisors, whose sum is σ = 523350. Its totient is φ = 523348.

The previous prime is 523333. The next prime is 523351. The reversal of 523349 is 943325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268324 + 255025 = 518^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 523349 - 24 = 523333 is a prime.

Together with 523351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523049) 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, 261674 + 261675.

It is an arithmetic number, because the mean of its divisors is an integer number (261675).

2523349 is an apocalyptic number.

It is an amenable number.

523349 is a deficient number, since it is larger than the sum of its proper divisors (1).

523349 is an equidigital number, since it uses as much as digits as its factorization.

523349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 26.

The square root of 523349 is about 723.4286419544. The cubic root of 523349 is about 80.5867793523.

The spelling of 523349 in words is "five hundred twenty-three thousand, three hundred forty-nine".