305109325 has 12 divisors (see below), whose sum is σ = 379850688. Its totient is φ = 243110000.

The previous prime is 305109307. The next prime is 305109341. The reversal of 305109325 is 523901503.

It is not a de Polignac number, because 305109325 - 2⁵ = 305109293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305109293 and 305109302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18037 + ... + 30586.

It is an arithmetic number, because the mean of its divisors is an integer number (31654224).

Almost surely, 2^305109325 is an apocalyptic number.

It is an amenable number.

305109325 is a deficient number, since it is larger than the sum of its proper divisors (74741363).

305109325 is a wasteful number, since it uses less digits than its factorization.

305109325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48884 (or 48879 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 305109325 is about 17467.3788817899. The cubic root of 305109325 is about 673.2119664651.

The spelling of 305109325 in words is "three hundred five million, one hundred nine thousand, three hundred twenty-five".