305613325 has 12 divisors (see below), whose sum is σ = 379181088. Its totient is φ = 244348400.

The previous prime is 305613313. The next prime is 305613353. The reversal of 305613325 is 523316503.

It is not a de Polignac number, because 305613325 - 2¹⁵ = 305580557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305613293 and 305613302.

It is a congruent number.

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, 70470 + ... + 74680.

It is an arithmetic number, because the mean of its divisors is an integer number (31598424).

Almost surely, 2^305613325 is an apocalyptic number.

It is an amenable number.

305613325 is a deficient number, since it is larger than the sum of its proper divisors (73567763).

305613325 is a wasteful number, since it uses less digits than its factorization.

305613325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7124 (or 7119 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 305613325 is about 17481.7998215287. The cubic root of 305613325 is about 673.5824480697.

Adding to 305613325 its reverse (523316503), we get a palindrome (828929828).

The spelling of 305613325 in words is "three hundred five million, six hundred thirteen thousand, three hundred twenty-five".