530989783 has 2 divisors, whose sum is σ = 530989784. Its totient is φ = 530989782.

The previous prime is 530989777. The next prime is 530989801. The reversal of 530989783 is 387989035.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530989783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 530989783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530989733) 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, 265494891 + 265494892.

It is an arithmetic number, because the mean of its divisors is an integer number (265494892).

Almost surely, 2^530989783 is an apocalyptic number.

530989783 is a deficient number, since it is larger than the sum of its proper divisors (1).

530989783 is an equidigital number, since it uses as much as digits as its factorization.

530989783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 530989783 is about 23043.2155525222. The cubic root of 530989783 is about 809.7706931050.

The spelling of 530989783 in words is "five hundred thirty million, nine hundred eighty-nine thousand, seven hundred eighty-three".