803394513 has 6 divisors (see below), whose sum is σ = 1160458754. Its totient is φ = 535596336.

The previous prime is 803394509. The next prime is 803394523. The reversal of 803394513 is 315493308.

It can be written as a sum of positive squares in only one way, i.e., 574417089 + 228977424 = 23967^2 + 15132^2 .

It is not a de Polignac number, because 803394513 - 2² = 803394509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (803394523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44633020 + ... + 44633037.

Almost surely, 2^803394513 is an apocalyptic number.

It is an amenable number.

803394513 is a deficient number, since it is larger than the sum of its proper divisors (357064241).

803394513 is a wasteful number, since it uses less digits than its factorization.

803394513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89266063 (or 89266060 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 803394513 is about 28344.2148065527. The cubic root of 803394513 is about 929.6289084839.

The spelling of 803394513 in words is "eight hundred three million, three hundred ninety-four thousand, five hundred thirteen".