530447 has 2 divisors, whose sum is σ = 530448. Its totient is φ = 530446.

The previous prime is 530443. The next prime is 530501. The reversal of 530447 is 744035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530447 - 2² = 530443 is a prime.

It is a Chen prime.

It is equal to p₄₃₈₆₂ and since 530447 and 43862 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530443) 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, 265223 + 265224.

It is an arithmetic number, because the mean of its divisors is an integer number (265224).

2⁵³⁰⁴⁴⁷ is an apocalyptic number.

530447 is a deficient number, since it is larger than the sum of its proper divisors (1).

530447 is an equidigital number, since it uses as much as digits as its factorization.

530447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 530447 is about 728.3179250849. The cubic root of 530447 is about 80.9494680503.

The spelling of 530447 in words is "five hundred thirty thousand, four hundred forty-seven".