681250548 has 96 divisors (see below), whose sum is σ = 1868106240. Its totient is φ = 190995840.

The previous prime is 681250459. The next prime is 681250553. The reversal of 681250548 is 845052186.

681250548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104686 + ... + 111002.

It is an arithmetic number, because the mean of its divisors is an integer number (19459440).

Almost surely, 2^681250548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 681250548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934053120).

681250548 is an abundant number, since it is smaller than the sum of its proper divisors (1186855692).

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

681250548 is a wasteful number, since it uses less digits than its factorization.

681250548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397 (or 6395 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 681250548 is about 26100.7767700504. The cubic root of 681250548 is about 879.9046677031.

The spelling of 681250548 in words is "six hundred eighty-one million, two hundred fifty thousand, five hundred forty-eight".