530747947 has 2 divisors, whose sum is σ = 530747948. Its totient is φ = 530747946.

The previous prime is 530747891. The next prime is 530747953. The reversal of 530747947 is 749747035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530747947 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 530747897 and 530747906.

It is not a weakly prime, because it can be changed into another prime (530747447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265373973 + 265373974.

It is an arithmetic number, because the mean of its divisors is an integer number (265373974).

Almost surely, 2^530747947 is an apocalyptic number.

530747947 is a deficient number, since it is larger than the sum of its proper divisors (1).

530747947 is an equidigital number, since it uses as much as digits as its factorization.

530747947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 530747947 is about 23037.9675101776. The cubic root of 530747947 is about 809.6477394254.

The spelling of 530747947 in words is "five hundred thirty million, seven hundred forty-seven thousand, nine hundred forty-seven".