305304125 has 16 divisors (see below), whose sum is σ = 435452160. Its totient is φ = 209350800.

The previous prime is 305304121. The next prime is 305304143. The reversal of 305304125 is 521403503.

It is not a de Polignac number, because 305304125 - 2² = 305304121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305304125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305304121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 173585 + ... + 175334.

It is an arithmetic number, because the mean of its divisors is an integer number (27215760).

Almost surely, 2^305304125 is an apocalyptic number.

305304125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

305304125 is a deficient number, since it is larger than the sum of its proper divisors (130148035).

305304125 is an equidigital number, since it uses as much as digits as its factorization.

305304125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348941 (or 348931 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 305304125 is about 17472.9541005521. The cubic root of 305304125 is about 673.3552088820.

Adding to 305304125 its reverse (521403503), we get a palindrome (826707628).

The spelling of 305304125 in words is "three hundred five million, three hundred four thousand, one hundred twenty-five".