130300561 has 4 divisors (see below), whose sum is σ = 130629172. Its totient is φ = 129971952.

The previous prime is 130300559. The next prime is 130300601. The reversal of 130300561 is 165003031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105698961 + 24601600 = 10281^2 + 4960^2 .

It is a cyclic number.

It is not a de Polignac number, because 130300561 - 2¹ = 130300559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130300531) 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 in 3 ways as a sum of consecutive naturals, for example, 163710 + ... + 164503.

It is an arithmetic number, because the mean of its divisors is an integer number (32657293).

Almost surely, 2^130300561 is an apocalyptic number.

It is an amenable number.

130300561 is a deficient number, since it is larger than the sum of its proper divisors (328611).

130300561 is an equidigital number, since it uses as much as digits as its factorization.

130300561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328610.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 130300561 is about 11414.9271132145. The cubic root of 130300561 is about 506.9698068117.

Adding to 130300561 its reverse (165003031), we get a palindrome (295303592).

The spelling of 130300561 in words is "one hundred thirty million, three hundred thousand, five hundred sixty-one".