130045049 has 2 divisors, whose sum is σ = 130045050. Its totient is φ = 130045048.

The previous prime is 130045043. The next prime is 130045051. The reversal of 130045049 is 940540031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104693824 + 25351225 = 10232^2 + 5035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130045049 is a prime.

Together with 130045051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130045043) 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, 65022524 + 65022525.

It is an arithmetic number, because the mean of its divisors is an integer number (65022525).

Almost surely, 2^130045049 is an apocalyptic number.

It is an amenable number.

130045049 is a deficient number, since it is larger than the sum of its proper divisors (1).

130045049 is an equidigital number, since it uses as much as digits as its factorization.

130045049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 130045049 is about 11403.7296092112. The cubic root of 130045049 is about 506.6382103035.

The spelling of 130045049 in words is "one hundred thirty million, forty-five thousand, forty-nine".