530555197 has 2 divisors, whose sum is σ = 530555198. Its totient is φ = 530555196.

The previous prime is 530555161. The next prime is 530555243. The reversal of 530555197 is 791555035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 529276036 + 1279161 = 23006^2 + 1131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530555197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530555147) 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, 265277598 + 265277599.

It is an arithmetic number, because the mean of its divisors is an integer number (265277599).

Almost surely, 2^530555197 is an apocalyptic number.

It is an amenable number.

530555197 is a deficient number, since it is larger than the sum of its proper divisors (1).

530555197 is an equidigital number, since it uses as much as digits as its factorization.

530555197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118125, while the sum is 40.

The square root of 530555197 is about 23033.7838185566. The cubic root of 530555197 is about 809.5497151822.

The spelling of 530555197 in words is "five hundred thirty million, five hundred fifty-five thousand, one hundred ninety-seven".