530487869 has 2 divisors, whose sum is σ = 530487870. Its totient is φ = 530487868.

The previous prime is 530487863. The next prime is 530487887. The reversal of 530487869 is 968784035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470239225 + 60248644 = 21685^2 + 7762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530487869 is a prime.

It is a super-2 number, since 2×530487869² = 562834758312322322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530487863) 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, 265243934 + 265243935.

It is an arithmetic number, because the mean of its divisors is an integer number (265243935).

Almost surely, 2^530487869 is an apocalyptic number.

It is an amenable number.

530487869 is a deficient number, since it is larger than the sum of its proper divisors (1).

530487869 is an equidigital number, since it uses as much as digits as its factorization.

530487869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 530487869 is about 23032.3222667624. The cubic root of 530487869 is about 809.5154695032.

The spelling of 530487869 in words is "five hundred thirty million, four hundred eighty-seven thousand, eight hundred sixty-nine".