305274225 has 12 divisors (see below), whose sum is σ = 504720176. Its totient is φ = 162812880.

The previous prime is 305274209. The next prime is 305274241. The reversal of 305274225 is 522472503.

It is an interprime number because it is at equal distance from previous prime (305274209) and next prime (305274241).

It is not a de Polignac number, because 305274225 - 2⁴ = 305274209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305274192 and 305274201.

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 11 ways as a sum of consecutive naturals, for example, 2035087 + ... + 2035236.

Almost surely, 2^305274225 is an apocalyptic number.

It is an amenable number.

305274225 is a deficient number, since it is larger than the sum of its proper divisors (199445951).

305274225 is a wasteful number, since it uses less digits than its factorization.

305274225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070336 (or 4070331 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 305274225 is about 17472.0984715632. The cubic root of 305274225 is about 673.3332264538. Note that the first 3 decimals are identical.

It can be divided in two parts, 3052 and 74225, that added together give a palindrome (77277).

The spelling of 305274225 in words is "three hundred five million, two hundred seventy-four thousand, two hundred twenty-five".