530549 has 2 divisors, whose sum is σ = 530550. Its totient is φ = 530548.
The previous prime is 530539. The next prime is 530567. The reversal of 530549 is 945035.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 483025 + 47524 = 695^2 + 218^2 .
It is a cyclic number.
It is not a de Polignac number, because 530549 - 24 = 530533 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (530539) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265274 + 265275.
It is an arithmetic number, because the mean of its divisors is an integer number (265275).
2530549 is an apocalyptic number.
It is an amenable number.
530549 is a deficient number, since it is larger than the sum of its proper divisors (1).
530549 is an equidigital number, since it uses as much as digits as its factorization.
530549 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2700, while the sum is 26.
The square root of 530549 is about 728.3879460837. The cubic root of 530549 is about 80.9546563264.
The spelling of 530549 in words is "five hundred thirty thousand, five hundred forty-nine".
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