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530343481 is a prime number
BaseRepresentation
bin11111100111000…
…110011000111001
31100221221020111011
4133213012120321
52041231442411
6124343033521
716066562623
oct3747063071
91327836434
10530343481
112524019a8
1212973b8a1
1385b4a515
1450613c13
153185dc21
hex1f9c6639

530343481 has 2 divisors, whose sum is σ = 530343482. Its totient is φ = 530343480.

The previous prime is 530343449. The next prime is 530343551. The reversal of 530343481 is 184343035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427827856 + 102515625 = 20684^2 + 10125^2 .

It is a cyclic number.

It is not a de Polignac number, because 530343481 - 25 = 530343449 is a prime.

It is a super-2 number, since 2×5303434812 = 562528415678394722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (530343431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265171740 + 265171741.

It is an arithmetic number, because the mean of its divisors is an integer number (265171741).

Almost surely, 2530343481 is an apocalyptic number.

It is an amenable number.

530343481 is a deficient number, since it is larger than the sum of its proper divisors (1).

530343481 is an equidigital number, since it uses as much as digits as its factorization.

530343481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 530343481 is about 23029.1875887970. The cubic root of 530343481 is about 809.4420182944.

It can be divided in two parts, 5303 and 43481, that added together give a palindrome (48784).

The spelling of 530343481 in words is "five hundred thirty million, three hundred forty-three thousand, four hundred eighty-one".