30151925 has 12 divisors (see below), whose sum is σ = 37917216. Its totient is φ = 23780400.

The previous prime is 30151921. The next prime is 30151951. The reversal of 30151925 is 52915103.

It is not a de Polignac number, because 30151925 - 2² = 30151921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30151894 and 30151903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30151921) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6719 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (3159768).

Almost surely, 2^30151925 is an apocalyptic number.

It is an amenable number.

30151925 is a deficient number, since it is larger than the sum of its proper divisors (7765291).

30151925 is a wasteful number, since it uses less digits than its factorization.

30151925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17068 (or 17063 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 30151925 is about 5491.0768524944. The cubic root of 30151925 is about 311.2468857718.

The spelling of 30151925 in words is "thirty million, one hundred fifty-one thousand, nine hundred twenty-five".