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530212129 is a prime number
BaseRepresentation
bin11111100110100…
…110010100100001
31100221200120022021
4133212212110201
52041213242004
6124340141441
716065504646
oct3746462441
91327616267
10530212129
11252322247
12129697881
1385b027b5
14505bbdcd
1531834d54
hex1f9a6521

530212129 has 2 divisors, whose sum is σ = 530212130. Its totient is φ = 530212128.

The previous prime is 530212117. The next prime is 530212147. The reversal of 530212129 is 921212035.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 530150625 + 61504 = 23025^2 + 248^2 .

It is a cyclic number.

It is not a de Polignac number, because 530212129 - 215 = 530179361 is a prime.

It is a super-2 number, since 2×5302121292 = 562249803477425282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (530212229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265106064 + 265106065.

It is an arithmetic number, because the mean of its divisors is an integer number (265106065).

Almost surely, 2530212129 is an apocalyptic number.

It is an amenable number.

530212129 is a deficient number, since it is larger than the sum of its proper divisors (1).

530212129 is an equidigital number, since it uses as much as digits as its factorization.

530212129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 530212129 is about 23026.3355530141. The cubic root of 530212129 is about 809.3751870107.

The spelling of 530212129 in words is "five hundred thirty million, two hundred twelve thousand, one hundred twenty-nine".