130608997 has 2 divisors, whose sum is σ = 130608998. Its totient is φ = 130608996.

The previous prime is 130608971. The next prime is 130609007. The reversal of 130608997 is 799806031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84382596 + 46226401 = 9186^2 + 6799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130608997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130608967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65304498 + 65304499.

It is an arithmetic number, because the mean of its divisors is an integer number (65304499).

Almost surely, 2^130608997 is an apocalyptic number.

It is an amenable number.

130608997 is a deficient number, since it is larger than the sum of its proper divisors (1).

130608997 is an equidigital number, since it uses as much as digits as its factorization.

130608997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 130608997 is about 11428.4293321523. The cubic root of 130608997 is about 507.3695096735.

The spelling of 130608997 in words is "one hundred thirty million, six hundred eight thousand, nine hundred ninety-seven".