30130625 has 40 divisors (see below), whose sum is σ = 44085888. Its totient is φ = 20160000.

The previous prime is 30130603. The next prime is 30130627. The reversal of 30130625 is 52603103.

It is not a de Polignac number, because 30130625 - 2¹⁰ = 30129601 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30130597 and 30130606.

It is not an unprimeable number, because it can be changed into a prime (30130627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 310577 + ... + 310673.

Almost surely, 2^30130625 is an apocalyptic number.

30130625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30130625 is a deficient number, since it is larger than the sum of its proper divisors (13955263).

30130625 is an frugal number, since it uses more digits than its factorization.

30130625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 30130625 is about 5489.1369995656. The cubic root of 30130625 is about 311.1735778998.

Adding to 30130625 its reverse (52603103), we get a palindrome (82733728).

The spelling of 30130625 in words is "thirty million, one hundred thirty thousand, six hundred twenty-five".