1403563313 has 2 divisors, whose sum is σ = 1403563314. Its totient is φ = 1403563312.

The previous prime is 1403563289. The next prime is 1403563321. The reversal of 1403563313 is 3133653041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1398236449 + 5326864 = 37393^2 + 2308^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403563313 - 2²⁴ = 1386786097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1403563393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701781656 + 701781657.

It is an arithmetic number, because the mean of its divisors is an integer number (701781657).

Almost surely, 2^1403563313 is an apocalyptic number.

It is an amenable number.

1403563313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403563313 is an equidigital number, since it uses as much as digits as its factorization.

1403563313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 1403563313 is about 37464.1603802888. The cubic root of 1403563313 is about 1119.6372424785.

The spelling of 1403563313 in words is "one billion, four hundred three million, five hundred sixty-three thousand, three hundred thirteen".