30485305 has 8 divisors (see below), whose sum is σ = 36642312. Its totient is φ = 24348288.

The previous prime is 30485297. The next prime is 30485317. The reversal of 30485305 is 50358403.

It can be written as a sum of positive squares in 4 ways, for example, as 5992704 + 24492601 = 2448^2 + 4949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30485305 - 2³ = 30485297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1404 + ... + 7933.

It is an arithmetic number, because the mean of its divisors is an integer number (4580289).

Almost surely, 2^30485305 is an apocalyptic number.

It is an amenable number.

30485305 is a deficient number, since it is larger than the sum of its proper divisors (6157007).

30485305 is an equidigital number, since it uses as much as digits as its factorization.

30485305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9995.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 30485305 is about 5521.3499255164. The cubic root of 30485305 is about 312.3898022119.

The spelling of 30485305 in words is "thirty million, four hundred eighty-five thousand, three hundred five".