130554581 has 2 divisors, whose sum is σ = 130554582. Its totient is φ = 130554580.

The previous prime is 130554563. The next prime is 130554583. The reversal of 130554581 is 185455031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126000625 + 4553956 = 11225^2 + 2134^2 .

It is an emirp because it is prime and its reverse (185455031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130554581 - 2⁶ = 130554517 is a prime.

It is a super-2 number, since 2×130554581² = 34088997240171122, which contains 22 as substring.

Together with 130554583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130554583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65277290 + 65277291.

It is an arithmetic number, because the mean of its divisors is an integer number (65277291).

Almost surely, 2^130554581 is an apocalyptic number.

It is an amenable number.

130554581 is a deficient number, since it is larger than the sum of its proper divisors (1).

130554581 is an equidigital number, since it uses as much as digits as its factorization.

130554581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 130554581 is about 11426.0483545275. The cubic root of 130554581 is about 507.2990376156.

The spelling of 130554581 in words is "one hundred thirty million, five hundred fifty-four thousand, five hundred eighty-one".