305305030325 has 12 divisors (see below), whose sum is σ = 379944954660. Its totient is φ = 243362271360.

The previous prime is 305305030237. The next prime is 305305030337. The reversal of 305305030325 is 523030503503.

It can be written as a sum of positive squares in 6 ways, for example, as 66402074596 + 238902955729 = 257686^2 + 488777^2 .

It is a de Polignac number, because none of the positive numbers 2^k-305305030325 is a prime.

It is a super-2 number, since 2×305305030325² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22036760 + ... + 22050609.

It is an arithmetic number, because the mean of its divisors is an integer number (31662079555).

Almost surely, 2^305305030325 is an apocalyptic number.

It is an amenable number.

305305030325 is a deficient number, since it is larger than the sum of its proper divisors (74639924335).

305305030325 is a wasteful number, since it uses less digits than its factorization.

305305030325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44087656 (or 44087651 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 29.

Adding to 305305030325 its reverse (523030503503), we get a palindrome (828335533828).

The spelling of 305305030325 in words is "three hundred five billion, three hundred five million, thirty thousand, three hundred twenty-five".