997560130571 has 2 divisors, whose sum is σ = 997560130572. Its totient is φ = 997560130570.

The previous prime is 997560130513. The next prime is 997560130579. The reversal of 997560130571 is 175031065799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 997560130571 - 2³⁴ = 980380261387 is a prime.

It is not a weakly prime, because it can be changed into another prime (997560130579) 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, 498780065285 + 498780065286.

It is an arithmetic number, because the mean of its divisors is an integer number (498780065286).

Almost surely, 2^997560130571 is an apocalyptic number.

997560130571 is a deficient number, since it is larger than the sum of its proper divisors (1).

997560130571 is an equidigital number, since it uses as much as digits as its factorization.

997560130571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1786050, while the sum is 53.

The spelling of 997560130571 in words is "nine hundred ninety-seven billion, five hundred sixty million, one hundred thirty thousand, five hundred seventy-one".