1300055513 has 2 divisors, whose sum is σ = 1300055514. Its totient is φ = 1300055512.

The previous prime is 1300055509. The next prime is 1300055539. The reversal of 1300055513 is 3155500031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1208049049 + 92006464 = 34757^2 + 9592^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300055513 - 2² = 1300055509 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300057513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650027756 + 650027757.

It is an arithmetic number, because the mean of its divisors is an integer number (650027757).

Almost surely, 2^1300055513 is an apocalyptic number.

It is an amenable number.

1300055513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300055513 is an equidigital number, since it uses as much as digits as its factorization.

1300055513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 1300055513 is about 36056.2825732215. The cubic root of 1300055513 is about 1091.4084178382.

Adding to 1300055513 its reverse (3155500031), we get a palindrome (4455555544).

The spelling of 1300055513 in words is "one billion, three hundred million, fifty-five thousand, five hundred thirteen".