30168325 has 18 divisors (see below), whose sum is σ = 41122802. Its totient is φ = 21938400.

The previous prime is 30168317. The next prime is 30168337. The reversal of 30168325 is 52386103.

It can be written as a sum of positive squares in 3 ways, for example, as 39204 + 30129121 = 198^2 + 5489^2 .

It is not a de Polignac number, because 30168325 - 2³ = 30168317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30168293 and 30168302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1962 + ... + 8011.

Almost surely, 2^30168325 is an apocalyptic number.

It is an amenable number.

30168325 is a deficient number, since it is larger than the sum of its proper divisors (10954477).

30168325 is a wasteful number, since it uses less digits than its factorization.

30168325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005 (or 9989 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 30168325 is about 5492.5699813475. The cubic root of 30168325 is about 311.3033058704.

The spelling of 30168325 in words is "thirty million, one hundred sixty-eight thousand, three hundred twenty-five".