30425125 has 8 divisors (see below), whose sum is σ = 37970712. Its totient is φ = 24340000.

The previous prime is 30425111. The next prime is 30425149. The reversal of 30425125 is 52152403.

It can be written as a sum of positive squares in 4 ways, for example, as 1684804 + 28740321 = 1298^2 + 5361^2 .

It is not a de Polignac number, because 30425125 - 2⁵ = 30425093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30425096 and 30425105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121576 + ... + 121825.

It is an arithmetic number, because the mean of its divisors is an integer number (4746339).

Almost surely, 2^30425125 is an apocalyptic number.

It is an amenable number.

30425125 is a deficient number, since it is larger than the sum of its proper divisors (7545587).

30425125 is an equidigital number, since it uses as much as digits as its factorization.

30425125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243416 (or 243406 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 30425125 is about 5515.8974791053. The cubic root of 30425125 is about 312.1841074523.

Adding to 30425125 its reverse (52152403), we get a palindrome (82577528).

The spelling of 30425125 in words is "thirty million, four hundred twenty-five thousand, one hundred twenty-five".