500030305 has 4 divisors (see below), whose sum is σ = 600036372. Its totient is φ = 400024240.

The previous prime is 500030291. The next prime is 500030339. The reversal of 500030305 is 503030005.

It is a happy number.

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 385454689 + 114575616 = 19633^2 + 10704^2 .

It is not a de Polignac number, because 500030305 - 2¹³ = 500022113 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, 50003026 + ... + 50003035.

It is an arithmetic number, because the mean of its divisors is an integer number (150009093).

Almost surely, 2^500030305 is an apocalyptic number.

It is an amenable number.

500030305 is a deficient number, since it is larger than the sum of its proper divisors (100006067).

500030305 is a wasteful number, since it uses less digits than its factorization.

500030305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100006066.

The product of its (nonzero) digits is 225, while the sum is 16.

The square root of 500030305 is about 22361.3574051308. The cubic root of 500030305 is about 793.7165610564.

The spelling of 500030305 in words is "five hundred million, thirty thousand, three hundred five".