1306864529 has 2 divisors, whose sum is σ = 1306864530. Its totient is φ = 1306864528.

The previous prime is 1306864499. The next prime is 1306864543. The reversal of 1306864529 is 9254686031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130506129 + 176358400 = 33623^2 + 13280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1306864529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1306864529.

It is not a weakly prime, because it can be changed into another prime (1306864589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653432264 + 653432265.

It is an arithmetic number, because the mean of its divisors is an integer number (653432265).

Almost surely, 2^1306864529 is an apocalyptic number.

It is an amenable number.

1306864529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306864529 is an equidigital number, since it uses as much as digits as its factorization.

1306864529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 1306864529 is about 36150.5813092957. The cubic root of 1306864529 is about 1093.3105112375.

The spelling of 1306864529 in words is "one billion, three hundred six million, eight hundred sixty-four thousand, five hundred twenty-nine".