305265225 has 12 divisors (see below), whose sum is σ = 504705296. Its totient is φ = 162808080.

The previous prime is 305265221. The next prime is 305265251. The reversal of 305265225 is 522562503.

It is not a de Polignac number, because 305265225 - 2² = 305265221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305265192 and 305265201.

It is not an unprimeable number, because it can be changed into a prime (305265221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2035027 + ... + 2035176.

Almost surely, 2^305265225 is an apocalyptic number.

It is an amenable number.

305265225 is a deficient number, since it is larger than the sum of its proper divisors (199440071).

305265225 is a wasteful number, since it uses less digits than its factorization.

305265225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070216 (or 4070211 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 305265225 is about 17471.8409161714. The cubic root of 305265225 is about 673.3266093884.

The spelling of 305265225 in words is "three hundred five million, two hundred sixty-five thousand, two hundred twenty-five".