530156447 has 2 divisors, whose sum is σ = 530156448. Its totient is φ = 530156446.

The previous prime is 530156437. The next prime is 530156491. The reversal of 530156447 is 744651035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530156447 - 2¹² = 530152351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530156437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265078223 + 265078224.

It is an arithmetic number, because the mean of its divisors is an integer number (265078224).

Almost surely, 2^530156447 is an apocalyptic number.

530156447 is a deficient number, since it is larger than the sum of its proper divisors (1).

530156447 is an equidigital number, since it uses as much as digits as its factorization.

530156447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 530156447 is about 23025.1264274488. The cubic root of 530156447 is about 809.3468529381.

The spelling of 530156447 in words is "five hundred thirty million, one hundred fifty-six thousand, four hundred forty-seven".