530280409 has 2 divisors, whose sum is σ = 530280410. Its totient is φ = 530280408.

The previous prime is 530280403. The next prime is 530280427. The reversal of 530280409 is 904082035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480267225 + 50013184 = 21915^2 + 7072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530280409 is a prime.

It is not a weakly prime, because it can be changed into another prime (530280403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265140204 + 265140205.

It is an arithmetic number, because the mean of its divisors is an integer number (265140205).

Almost surely, 2^530280409 is an apocalyptic number.

It is an amenable number.

530280409 is a deficient number, since it is larger than the sum of its proper divisors (1).

530280409 is an equidigital number, since it uses as much as digits as its factorization.

530280409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 530280409 is about 23027.8181554397. The cubic root of 530280409 is about 809.4099289329.

The spelling of 530280409 in words is "five hundred thirty million, two hundred eighty thousand, four hundred nine".