305465225 has 24 divisors (see below), whose sum is σ = 409270680. Its totient is φ = 224824320.

The previous prime is 305465213. The next prime is 305465233. The reversal of 305465225 is 522564503.

It can be written as a sum of positive squares in 12 ways, for example, as 152497801 + 152967424 = 12349^2 + 12368^2 .

It is not a de Polignac number, because 305465225 - 2⁸ = 305464969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 305465191 and 305465200.

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, 108131 + ... + 110919.

It is an arithmetic number, because the mean of its divisors is an integer number (17052945).

Almost surely, 2^305465225 is an apocalyptic number.

It is an amenable number.

305465225 is a deficient number, since it is larger than the sum of its proper divisors (103805455).

305465225 is a wasteful number, since it uses less digits than its factorization.

305465225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 305465225 is about 17477.5634743519. The cubic root of 305465225 is about 673.4736246307.

The spelling of 305465225 in words is "three hundred five million, four hundred sixty-five thousand, two hundred twenty-five".