530450321 has 2 divisors, whose sum is σ = 530450322. Its totient is φ = 530450320.

The previous prime is 530450299. The next prime is 530450329. The reversal of 530450321 is 123054035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349278721 + 181171600 = 18689^2 + 13460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530450321 is a prime.

It is not a weakly prime, because it can be changed into another prime (530450329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265225160 + 265225161.

It is an arithmetic number, because the mean of its divisors is an integer number (265225161).

Almost surely, 2^530450321 is an apocalyptic number.

It is an amenable number.

530450321 is a deficient number, since it is larger than the sum of its proper divisors (1).

530450321 is an equidigital number, since it uses as much as digits as its factorization.

530450321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 530450321 is about 23031.5071369635. The cubic root of 530450321 is about 809.4963698493.

The spelling of 530450321 in words is "five hundred thirty million, four hundred fifty thousand, three hundred twenty-one".