530249779 has 2 divisors, whose sum is σ = 530249780. Its totient is φ = 530249778.

The previous prime is 530249773. The next prime is 530249791. The reversal of 530249779 is 977942035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530249779 - 2⁵ = 530249747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (530249773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265124889 + 265124890.

It is an arithmetic number, because the mean of its divisors is an integer number (265124890).

Almost surely, 2^530249779 is an apocalyptic number.

530249779 is a deficient number, since it is larger than the sum of its proper divisors (1).

530249779 is an equidigital number, since it uses as much as digits as its factorization.

530249779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 530249779 is about 23027.1530806568. The cubic root of 530249779 is about 809.3943442831.

The spelling of 530249779 in words is "five hundred thirty million, two hundred forty-nine thousand, seven hundred seventy-nine".