530305379 has 2 divisors, whose sum is σ = 530305380. Its totient is φ = 530305378.

The previous prime is 530305367. The next prime is 530305387. The reversal of 530305379 is 973503035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530305379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (530305309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265152689 + 265152690.

It is an arithmetic number, because the mean of its divisors is an integer number (265152690).

Almost surely, 2^530305379 is an apocalyptic number.

530305379 is a deficient number, since it is larger than the sum of its proper divisors (1).

530305379 is an equidigital number, since it uses as much as digits as its factorization.

530305379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42525, while the sum is 35.

The square root of 530305379 is about 23028.3603193975. The cubic root of 530305379 is about 809.4226333112.

The spelling of 530305379 in words is "five hundred thirty million, three hundred five thousand, three hundred seventy-nine".