609168925 has 24 divisors (see below), whose sum is σ = 802571400. Its totient is φ = 457793280.

The previous prime is 609168913. The next prime is 609168929. The reversal of 609168925 is 529861906.

609168925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 225870841 + 383298084 = 15029^2 + 19578^2 .

It is not a de Polignac number, because 609168925 - 2⁵ = 609168893 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609168929) 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, 15471 + ... + 38179.

It is an arithmetic number, because the mean of its divisors is an integer number (33440475).

Almost surely, 2^609168925 is an apocalyptic number.

It is an amenable number.

609168925 is a deficient number, since it is larger than the sum of its proper divisors (193402475).

609168925 is a wasteful number, since it uses less digits than its factorization.

609168925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22785 (or 22780 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 609168925 is about 24681.3477144179. The cubic root of 609168925 is about 847.7072815823.

The spelling of 609168925 in words is "six hundred nine million, one hundred sixty-eight thousand, nine hundred twenty-five".