818085925 has 12 divisors (see below), whose sum is σ = 1017740416. Its totient is φ = 652330800.

The previous prime is 818085923. The next prime is 818085967. The reversal of 818085925 is 529580818.

It is not a de Polignac number, because 818085925 - 2¹ = 818085923 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 (818085923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45621 + ... + 60970.

Almost surely, 2^818085925 is an apocalyptic number.

It is an amenable number.

818085925 is a deficient number, since it is larger than the sum of its proper divisors (199654491).

818085925 is a wasteful number, since it uses less digits than its factorization.

818085925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106908 (or 106903 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 46.

The square root of 818085925 is about 28602.2014012908. The cubic root of 818085925 is about 935.2613203822.

The spelling of 818085925 in words is "eight hundred eighteen million, eighty-five thousand, nine hundred twenty-five".