130549481 has 2 divisors, whose sum is σ = 130549482. Its totient is φ = 130549480.

The previous prime is 130549457. The next prime is 130549493. The reversal of 130549481 is 184945031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127690000 + 2859481 = 11300^2 + 1691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130549481 is a prime.

It is a super-2 number, since 2×130549481² = 34086333978738722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130549451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65274740 + 65274741.

It is an arithmetic number, because the mean of its divisors is an integer number (65274741).

Almost surely, 2^130549481 is an apocalyptic number.

It is an amenable number.

130549481 is a deficient number, since it is larger than the sum of its proper divisors (1).

130549481 is an equidigital number, since it uses as much as digits as its factorization.

130549481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 130549481 is about 11425.8251780779. The cubic root of 130549481 is about 507.2924317991.

The spelling of 130549481 in words is "one hundred thirty million, five hundred forty-nine thousand, four hundred eighty-one".