678481325 has 24 divisors (see below), whose sum is σ = 874069056. Its totient is φ = 522032000.

The previous prime is 678481319. The next prime is 678481333. The reversal of 678481325 is 523184876.

678481325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 678481325 - 2¹⁶ = 678415789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68114 + ... + 77436.

It is an arithmetic number, because the mean of its divisors is an integer number (36419544).

Almost surely, 2^678481325 is an apocalyptic number.

It is an amenable number.

678481325 is a deficient number, since it is larger than the sum of its proper divisors (195587731).

678481325 is a wasteful number, since it uses less digits than its factorization.

678481325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9445 (or 9440 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 678481325 is about 26047.6740804241. The cubic root of 678481325 is about 878.7108038016.

The spelling of 678481325 in words is "six hundred seventy-eight million, four hundred eighty-one thousand, three hundred twenty-five".