130973497 has 2 divisors, whose sum is σ = 130973498. Its totient is φ = 130973496.

The previous prime is 130973471. The next prime is 130973501. The reversal of 130973497 is 794379031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121462441 + 9511056 = 11021^2 + 3084^2 .

It is a cyclic number.

It is not a de Polignac number, because 130973497 - 2⁷ = 130973369 is a prime.

It is not a weakly prime, because it can be changed into another prime (130974497) 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, 65486748 + 65486749.

It is an arithmetic number, because the mean of its divisors is an integer number (65486749).

Almost surely, 2^130973497 is an apocalyptic number.

It is an amenable number.

130973497 is a deficient number, since it is larger than the sum of its proper divisors (1).

130973497 is an equidigital number, since it uses as much as digits as its factorization.

130973497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 130973497 is about 11444.3652947641. The cubic root of 130973497 is about 507.8410555814.

The spelling of 130973497 in words is "one hundred thirty million, nine hundred seventy-three thousand, four hundred ninety-seven".