6685285425 has 48 divisors (see below), whose sum is σ = 13603712640. Its totient is φ = 2821040640.

The previous prime is 6685285333. The next prime is 6685285471. The reversal of 6685285425 is 5245825866.

It is not a de Polignac number, because 6685285425 - 2⁷ = 6685285297 is a prime.

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, 482940 + ... + 496589.

It is an arithmetic number, because the mean of its divisors is an integer number (283410680).

Almost surely, 2^6685285425 is an apocalyptic number.

6685285425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6685285425 is an abundant number, since it is smaller than the sum of its proper divisors (6918427215).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6685285425 is a wasteful number, since it uses less digits than its factorization.

6685285425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979562 (or 979557 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 51.

The square root of 6685285425 is about 81763.5947411805. The cubic root of 6685285425 is about 1883.8225214395.

The spelling of 6685285425 in words is "six billion, six hundred eighty-five million, two hundred eighty-five thousand, four hundred twenty-five".