994517305 has 4 divisors (see below), whose sum is σ = 1193420772. Its totient is φ = 795613840.

The previous prime is 994517299. The next prime is 994517341. The reversal of 994517305 is 503715499.

994517305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 478909456 + 515607849 = 21884^2 + 22707^2 .

It is not a de Polignac number, because 994517305 - 2⁵ = 994517273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99451726 + ... + 99451735.

It is an arithmetic number, because the mean of its divisors is an integer number (298355193).

Almost surely, 2^994517305 is an apocalyptic number.

It is an amenable number.

994517305 is a deficient number, since it is larger than the sum of its proper divisors (198903467).

994517305 is a wasteful number, since it uses less digits than its factorization.

994517305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198903466.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 994517305 is about 31535.9684328863. The cubic root of 994517305 is about 998.1690847954.

The spelling of 994517305 in words is "nine hundred ninety-four million, five hundred seventeen thousand, three hundred five".