530481389 has 2 divisors, whose sum is σ = 530481390. Its totient is φ = 530481388.

The previous prime is 530481359. The next prime is 530481397. The reversal of 530481389 is 983184035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530380900 + 100489 = 23030^2 + 317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530481389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530481359) 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, 265240694 + 265240695.

It is an arithmetic number, because the mean of its divisors is an integer number (265240695).

Almost surely, 2^530481389 is an apocalyptic number.

It is an amenable number.

530481389 is a deficient number, since it is larger than the sum of its proper divisors (1).

530481389 is an equidigital number, since it uses as much as digits as its factorization.

530481389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 530481389 is about 23032.1815944560. The cubic root of 530481389 is about 809.5121733665.

The spelling of 530481389 in words is "five hundred thirty million, four hundred eighty-one thousand, three hundred eighty-nine".