125609925 has 48 divisors (see below), whose sum is σ = 240952832. Its totient is φ = 56548800.

The previous prime is 125609917. The next prime is 125609941. The reversal of 125609925 is 529906521.

It is not a de Polignac number, because 125609925 - 2³ = 125609917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33390 + ... + 36960.

Almost surely, 2^125609925 is an apocalyptic number.

125609925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125609925 is a deficient number, since it is larger than the sum of its proper divisors (115342907).

125609925 is a wasteful number, since it uses less digits than its factorization.

125609925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 125609925 is about 11207.5833702007. The cubic root of 125609925 is about 500.8119142103.

The spelling of 125609925 in words is "one hundred twenty-five million, six hundred nine thousand, nine hundred twenty-five".