304608020225 has 24 divisors (see below), whose sum is σ = 382061405880. Its totient is φ = 240883089920.

The previous prime is 304608020209. The next prime is 304608020243. The reversal of 304608020225 is 522020806403.

It can be written as a sum of positive squares in 12 ways, for example, as 216330102769 + 88277917456 = 465113^2 + 297116^2 .

It is not a de Polignac number, because 304608020225 - 2⁴ = 304608020209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304608020191 and 304608020200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9232859 + ... + 9265791.

It is an arithmetic number, because the mean of its divisors is an integer number (15919225245).

Almost surely, 2^304608020225 is an apocalyptic number.

It is an amenable number.

304608020225 is a deficient number, since it is larger than the sum of its proper divisors (77453385655).

304608020225 is a wasteful number, since it uses less digits than its factorization.

304608020225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37189 (or 37184 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 304608020225 its reverse (522020806403), we get a palindrome (826628826628).

The spelling of 304608020225 in words is "three hundred four billion, six hundred eight million, twenty thousand, two hundred twenty-five".