681032652 has 24 divisors (see below), whose sum is σ = 1590220800. Its totient is φ = 226847376.

The previous prime is 681032647. The next prime is 681032659. The reversal of 681032652 is 256230186.

It is not an unprimeable number, because it can be changed into a prime (681032659) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2452 + ... + 36987.

It is an arithmetic number, because the mean of its divisors is an integer number (66259200).

Almost surely, 2^681032652 is an apocalyptic number.

It is an amenable number.

681032652 is an abundant number, since it is smaller than the sum of its proper divisors (909188148).

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

681032652 is a wasteful number, since it uses less digits than its factorization.

681032652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40885 (or 40883 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 681032652 is about 26096.6023075802. The cubic root of 681032652 is about 879.8108460527.

The spelling of 681032652 in words is "six hundred eighty-one million, thirty-two thousand, six hundred fifty-two".