30005302505 has 8 divisors (see below), whose sum is σ = 36596631624. Its totient is φ = 23610729600.

The previous prime is 30005302421. The next prime is 30005302507. The reversal of 30005302505 is 50520350003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1836379609 + 28168922896 = 42853^2 + 167836^2 .

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

It is not a de Polignac number, because 30005302505 - 2¹⁶ = 30005236969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30005302507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49188716 + ... + 49189325.

It is an arithmetic number, because the mean of its divisors is an integer number (4574578953).

Almost surely, 2^30005302505 is an apocalyptic number.

It is an amenable number.

30005302505 is a deficient number, since it is larger than the sum of its proper divisors (6591329119).

30005302505 is an equidigital number, since it uses as much as digits as its factorization.

30005302505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98378107.

The product of its (nonzero) digits is 2250, while the sum is 23.

Adding to 30005302505 its reverse (50520350003), we get a palindrome (80525652508).

The spelling of 30005302505 in words is "thirty billion, five million, three hundred two thousand, five hundred five".