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530740481 is a prime number
BaseRepresentation
bin11111101000100…
…111010100000001
31100222200102001212
4133220213110001
52041332143411
6124355335505
716103135225
oct3750472401
91328612055
10530740481
112526531a7
121298b1595
1385c5912b
14506b8785
15318db68b
hex1fa27501

530740481 has 2 divisors, whose sum is σ = 530740482. Its totient is φ = 530740480.

The previous prime is 530740477. The next prime is 530740517. The reversal of 530740481 is 184047035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 484704256 + 46036225 = 22016^2 + 6785^2 .

It is a cyclic number.

It is not a de Polignac number, because 530740481 - 22 = 530740477 is a prime.

It is a super-2 number, since 2×5307404812 = 563370916344222722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (530740381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265370240 + 265370241.

It is an arithmetic number, because the mean of its divisors is an integer number (265370241).

Almost surely, 2530740481 is an apocalyptic number.

It is an amenable number.

530740481 is a deficient number, since it is larger than the sum of its proper divisors (1).

530740481 is an equidigital number, since it uses as much as digits as its factorization.

530740481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 530740481 is about 23037.8054727441. The cubic root of 530740481 is about 809.6439429853.

The spelling of 530740481 in words is "five hundred thirty million, seven hundred forty thousand, four hundred eighty-one".