130530493 has 2 divisors, whose sum is σ = 130530494. Its totient is φ = 130530492.

The previous prime is 130530461. The next prime is 130530541. The reversal of 130530493 is 394035031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117440569 + 13089924 = 10837^2 + 3618^2 .

It is a cyclic number.

It is not a de Polignac number, because 130530493 - 2⁵ = 130530461 is a prime.

It is a super-3 number, since 3×130530493³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130530193) 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, 65265246 + 65265247.

It is an arithmetic number, because the mean of its divisors is an integer number (65265247).

Almost surely, 2^130530493 is an apocalyptic number.

It is an amenable number.

130530493 is a deficient number, since it is larger than the sum of its proper divisors (1).

130530493 is an equidigital number, since it uses as much as digits as its factorization.

130530493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 130530493 is about 11424.9942231933. The cubic root of 130530493 is about 507.2678359252.

The spelling of 130530493 in words is "one hundred thirty million, five hundred thirty thousand, four hundred ninety-three".