681052000 has 48 divisors (see below), whose sum is σ = 1673354592. Its totient is φ = 272419200.

The previous prime is 681051971. The next prime is 681052003. The reversal of 681052000 is 250186.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681052003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81132 + ... + 89131.

It is an arithmetic number, because the mean of its divisors is an integer number (34861554).

Almost surely, 2^681052000 is an apocalyptic number.

It is an amenable number.

681052000 is an abundant number, since it is smaller than the sum of its proper divisors (992302592).

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

681052000 is a wasteful number, since it uses less digits than its factorization.

681052000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170288 (or 170270 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 681052000 is about 26096.9730045459. The cubic root of 681052000 is about 879.8191777232.

The spelling of 681052000 in words is "six hundred eighty-one million, fifty-two thousand".