30500125 has 32 divisors (see below), whose sum is σ = 41693184. Its totient is φ = 22176000.

The previous prime is 30500117. The next prime is 30500177. The reversal of 30500125 is 52100503.

30500125 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 30500125 - 2³ = 30500117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30500099 and 30500108.

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 31 ways as a sum of consecutive naturals, for example, 65644 + ... + 66106.

It is an arithmetic number, because the mean of its divisors is an integer number (1302912).

Almost surely, 2^30500125 is an apocalyptic number.

It is an amenable number.

30500125 is a deficient number, since it is larger than the sum of its proper divisors (11193059).

30500125 is a wasteful number, since it uses less digits than its factorization.

30500125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 30500125 is about 5522.6918255503. The cubic root of 30500125 is about 312.4404153063.

Adding to 30500125 its reverse (52100503), we get a palindrome (82600628).

It can be divided in two parts, 30500 and 125, that added together give a square (30625 = 175²).

The spelling of 30500125 in words is "thirty million, five hundred thousand, one hundred twenty-five".