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530223409 is a prime number
BaseRepresentation
bin11111100110101…
…001000100110001
31100221201010210001
4133212221010301
52041214122114
6124340310001
716065552562
oct3746510461
91327633701
10530223409
1125232a771
121296a2301
1385b07981
14505c2169
1531838374
hex1f9a9131

530223409 has 2 divisors, whose sum is σ = 530223410. Its totient is φ = 530223408.

The previous prime is 530223389. The next prime is 530223427. The reversal of 530223409 is 904322035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361950625 + 168272784 = 19025^2 + 12972^2 .

It is a cyclic number.

It is not a de Polignac number, because 530223409 - 211 = 530221361 is a prime.

It is a super-2 number, since 2×5302234092 = 562273726903162562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (530223509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265111704 + 265111705.

It is an arithmetic number, because the mean of its divisors is an integer number (265111705).

Almost surely, 2530223409 is an apocalyptic number.

It is an amenable number.

530223409 is a deficient number, since it is larger than the sum of its proper divisors (1).

530223409 is an equidigital number, since it uses as much as digits as its factorization.

530223409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 530223409 is about 23026.5804886440. The cubic root of 530223409 is about 809.3809266552.

The spelling of 530223409 in words is "five hundred thirty million, two hundred twenty-three thousand, four hundred nine".