30030043925 has 12 divisors (see below), whose sum is σ = 42556862496. Its totient is φ = 20592030000.

The previous prime is 30030043921. The next prime is 30030043949. The reversal of 30030043925 is 52934003003.

It is not a de Polignac number, because 30030043925 - 2² = 30030043921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030043921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85799951 + ... + 85800300.

It is an arithmetic number, because the mean of its divisors is an integer number (3546405208).

Almost surely, 2^30030043925 is an apocalyptic number.

30030043925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30030043925 is a deficient number, since it is larger than the sum of its proper divisors (12526818571).

30030043925 is a wasteful number, since it uses less digits than its factorization.

30030043925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171600268 (or 171600263 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 30030043925 its reverse (52934003003), we get a palindrome (82964046928).

The spelling of 30030043925 in words is "thirty billion, thirty million, forty-three thousand, nine hundred twenty-five".