1305131053 has 2 divisors, whose sum is σ = 1305131054. Its totient is φ = 1305131052.

The previous prime is 1305130997. The next prime is 1305131059. The reversal of 1305131053 is 3501315031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1245948804 + 59182249 = 35298^2 + 7693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1305131053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305131059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652565526 + 652565527.

It is an arithmetic number, because the mean of its divisors is an integer number (652565527).

Almost surely, 2^1305131053 is an apocalyptic number.

It is an amenable number.

1305131053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305131053 is an equidigital number, since it uses as much as digits as its factorization.

1305131053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 1305131053 is about 36126.5975840516. The cubic root of 1305131053 is about 1092.8268941332.

Adding to 1305131053 its reverse (3501315031), we get a palindrome (4806446084).

The spelling of 1305131053 in words is "one billion, three hundred five million, one hundred thirty-one thousand, fifty-three".