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530122321 is a prime number
BaseRepresentation
bin11111100110010…
…000011001010001
31100221112000010001
4133212100121101
52041202403241
6124334210001
716064652061
oct3746203121
91327460101
10530122321
11252270823
12129653901
1385aa0961
14505973a1
1531818431
hex1f990651

530122321 has 2 divisors, whose sum is σ = 530122322. Its totient is φ = 530122320.

The previous prime is 530122319. The next prime is 530122337. The reversal of 530122321 is 123221035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267682321 + 262440000 = 16361^2 + 16200^2 .

It is a cyclic number.

It is not a de Polignac number, because 530122321 - 21 = 530122319 is a prime.

Together with 530122319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (530122301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265061160 + 265061161.

It is an arithmetic number, because the mean of its divisors is an integer number (265061161).

Almost surely, 2530122321 is an apocalyptic number.

It is an amenable number.

530122321 is a deficient number, since it is larger than the sum of its proper divisors (1).

530122321 is an equidigital number, since it uses as much as digits as its factorization.

530122321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 530122321 is about 23024.3853555312. The cubic root of 530122321 is about 809.3294867666.

Adding to 530122321 its reverse (123221035), we get a palindrome (653343356).

The spelling of 530122321 in words is "five hundred thirty million, one hundred twenty-two thousand, three hundred twenty-one".