530729387 has 2 divisors, whose sum is σ = 530729388. Its totient is φ = 530729386.

The previous prime is 530729371. The next prime is 530729401. The reversal of 530729387 is 783927035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530729387 - 2⁴ = 530729371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (530729327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265364693 + 265364694.

It is an arithmetic number, because the mean of its divisors is an integer number (265364694).

Almost surely, 2^530729387 is an apocalyptic number.

530729387 is a deficient number, since it is larger than the sum of its proper divisors (1).

530729387 is an equidigital number, since it uses as much as digits as its factorization.

530729387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 530729387 is about 23037.5646933438. The cubic root of 530729387 is about 809.6383016516.

The spelling of 530729387 in words is "five hundred thirty million, seven hundred twenty-nine thousand, three hundred eighty-seven".