30208125 has 20 divisors (see below), whose sum is σ = 50333888. Its totient is φ = 16110000.

The previous prime is 30208121. The next prime is 30208141. The reversal of 30208125 is 52180203.

It is not a de Polignac number, because 30208125 - 2² = 30208121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30208121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6181 + ... + 9930.

Almost surely, 2^30208125 is an apocalyptic number.

It is an amenable number.

30208125 is a deficient number, since it is larger than the sum of its proper divisors (20125763).

30208125 is an equidigital number, since it uses as much as digits as its factorization.

30208125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16134 (or 16119 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 30208125 is about 5496.1918634633. The cubic root of 30208125 is about 311.4401428460.

Adding to 30208125 its reverse (52180203), we get a palindrome (82388328).

The spelling of 30208125 in words is "thirty million, two hundred eight thousand, one hundred twenty-five".