30608125 has 10 divisors (see below), whose sum is σ = 38248694. Its totient is φ = 24486000.

The previous prime is 30608117. The next prime is 30608141. The reversal of 30608125 is 52180603.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 20457529 + 10150596 = 4523^2 + 3186^2 .

It is not a de Polignac number, because 30608125 - 2³ = 30608117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30608125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23862 + ... + 25111.

Almost surely, 2^30608125 is an apocalyptic number.

It is an amenable number.

30608125 is a deficient number, since it is larger than the sum of its proper divisors (7640569).

30608125 is an frugal number, since it uses more digits than its factorization.

30608125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48993 (or 48978 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 30608125 is about 5532.4610256196. The cubic root of 30608125 is about 312.8087614985.

Adding to 30608125 its reverse (52180603), we get a palindrome (82788728).

The spelling of 30608125 in words is "thirty million, six hundred eight thousand, one hundred twenty-five".