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530605643 is a prime number
BaseRepresentation
bin11111101000000…
…110011001001011
31100222102120002212
4133220012121023
52041313340033
6124352415335
716102034141
oct3750063113
91328376085
10530605643
11252570967
1212984754b
1385c0c949
1450681591
15318b1748
hex1fa0664b

530605643 has 2 divisors, whose sum is σ = 530605644. Its totient is φ = 530605642.

The previous prime is 530605597. The next prime is 530605651. The reversal of 530605643 is 346506035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530605643 - 222 = 526411339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (530605693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265302821 + 265302822.

It is an arithmetic number, because the mean of its divisors is an integer number (265302822).

Almost surely, 2530605643 is an apocalyptic number.

530605643 is a deficient number, since it is larger than the sum of its proper divisors (1).

530605643 is an equidigital number, since it uses as much as digits as its factorization.

530605643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 530605643 is about 23034.8788362344. The cubic root of 530605643 is about 809.5753721110.

The spelling of 530605643 in words is "five hundred thirty million, six hundred five thousand, six hundred forty-three".