845574925 has 18 divisors (see below), whose sum is σ = 1129868222. Its totient is φ = 624037440.

The previous prime is 845574923. The next prime is 845574991. The reversal of 845574925 is 529475548.

845574925 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 9 ways, for example, as 272547081 + 573027844 = 16509^2 + 23938^2 .

It is not a de Polignac number, because 845574925 - 2¹ = 845574923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845574923) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 523419 + ... + 525031.

Almost surely, 2^845574925 is an apocalyptic number.

It is an amenable number.

845574925 is a deficient number, since it is larger than the sum of its proper divisors (284293297).

845574925 is an equidigital number, since it uses as much as digits as its factorization.

845574925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249 (or 1631 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 49.

The square root of 845574925 is about 29078.7710366171. The cubic root of 845574925 is about 945.6215594923.

The spelling of 845574925 in words is "eight hundred forty-five million, five hundred seventy-four thousand, nine hundred twenty-five".