130511449 has 2 divisors, whose sum is σ = 130511450. Its totient is φ = 130511448.

The previous prime is 130511429. The next prime is 130511473. The reversal of 130511449 is 944115031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126337600 + 4173849 = 11240^2 + 2043^2 .

It is an emirp because it is prime and its reverse (944115031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130511449 - 2⁹ = 130510937 is a prime.

It is not a weakly prime, because it can be changed into another prime (130511429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65255724 + 65255725.

It is an arithmetic number, because the mean of its divisors is an integer number (65255725).

Almost surely, 2^130511449 is an apocalyptic number.

It is an amenable number.

130511449 is a deficient number, since it is larger than the sum of its proper divisors (1).

130511449 is an equidigital number, since it uses as much as digits as its factorization.

130511449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 130511449 is about 11424.1607569221. The cubic root of 130511449 is about 507.2431651164.

The spelling of 130511449 in words is "one hundred thirty million, five hundred eleven thousand, four hundred forty-nine".