30109425 has 24 divisors (see below), whose sum is σ = 50023584. Its totient is φ = 15980160.

The previous prime is 30109423. The next prime is 30109451. The reversal of 30109425 is 52490103.

It is not a de Polignac number, because 30109425 - 2¹ = 30109423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30109395 and 30109404.

It is not an unprimeable number, because it can be changed into a prime (30109421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16614 + ... + 18336.

It is an arithmetic number, because the mean of its divisors is an integer number (2084316).

Almost surely, 2^30109425 is an apocalyptic number.

It is an amenable number.

30109425 is a deficient number, since it is larger than the sum of its proper divisors (19914159).

30109425 is a wasteful number, since it uses less digits than its factorization.

30109425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 30109425 is about 5487.2055729670. The cubic root of 30109425 is about 311.1005798826.

Adding to 30109425 its reverse (52490103), we get a palindrome (82599528).

The spelling of 30109425 in words is "thirty million, one hundred nine thousand, four hundred twenty-five".