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530143513 is a prime number
BaseRepresentation
bin11111100110010…
…101100100011001
31100221120002011221
4133212111210121
52041204043023
6124334452041
716065100624
oct3746254431
91327502157
10530143513
11252285739
12129664021
1385aaa4b3
14505a0dbb
153181e85d
hex1f995919

530143513 has 2 divisors, whose sum is σ = 530143514. Its totient is φ = 530143512.

The previous prime is 530143501. The next prime is 530143531. The reversal of 530143513 is 315341035.

Together with next prime (530143531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435431689 + 94711824 = 20867^2 + 9732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530143513 is a prime.

It is not a weakly prime, because it can be changed into another prime (530143543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265071756 + 265071757.

It is an arithmetic number, because the mean of its divisors is an integer number (265071757).

Almost surely, 2530143513 is an apocalyptic number.

It is an amenable number.

530143513 is a deficient number, since it is larger than the sum of its proper divisors (1).

530143513 is an equidigital number, since it uses as much as digits as its factorization.

530143513 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 25.

The square root of 530143513 is about 23024.8455586568. The cubic root of 530143513 is about 809.3402711216.

Adding to 530143513 its reverse (315341035), we get a palindrome (845484548).

The spelling of 530143513 in words is "five hundred thirty million, one hundred forty-three thousand, five hundred thirteen".