530868187 has 2 divisors, whose sum is σ = 530868188. Its totient is φ = 530868186.

The previous prime is 530868181. The next prime is 530868223. The reversal of 530868187 is 781868035.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530868187 is a prime.

It is not a weakly prime, because it can be changed into another prime (530868181) 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, 265434093 + 265434094.

It is an arithmetic number, because the mean of its divisors is an integer number (265434094).

Almost surely, 2^530868187 is an apocalyptic number.

530868187 is a deficient number, since it is larger than the sum of its proper divisors (1).

530868187 is an equidigital number, since it uses as much as digits as its factorization.

530868187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 530868187 is about 23040.5769676022. The cubic root of 530868187 is about 809.7088762256.

The spelling of 530868187 in words is "five hundred thirty million, eight hundred sixty-eight thousand, one hundred eighty-seven".