863307013 has 2 divisors, whose sum is σ = 863307014. Its totient is φ = 863307012.

The previous prime is 863306959. The next prime is 863307079. The reversal of 863307013 is 310703368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 768010369 + 95296644 = 27713^2 + 9762^2 .

It is a cyclic number.

It is not a de Polignac number, because 863307013 - 2⁹ = 863306501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863307083) 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, 431653506 + 431653507.

It is an arithmetic number, because the mean of its divisors is an integer number (431653507).

Almost surely, 2^863307013 is an apocalyptic number.

It is an amenable number.

863307013 is a deficient number, since it is larger than the sum of its proper divisors (1).

863307013 is an equidigital number, since it uses as much as digits as its factorization.

863307013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 863307013 is about 29382.0866005122. The cubic root of 863307013 is about 952.1859222623.

The spelling of 863307013 in words is "eight hundred sixty-three million, three hundred seven thousand, thirteen".