681010 has 32 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 240000.

The previous prime is 681001. The next prime is 681011. The reversal of 681010 is 10186.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (681011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4435 + ... + 4585.

It is an arithmetic number, because the mean of its divisors is an integer number (43092).

2⁶⁸¹⁰¹⁰ is an apocalyptic number.

681010 is an abundant number, since it is smaller than the sum of its proper divisors (697934).

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

681010 is a wasteful number, since it uses less digits than its factorization.

681010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 681010 is about 825.2333003460. The cubic root of 681010 is about 87.9801091407.

Adding to 681010 its reverse (10186), we get a palindrome (691196).

The spelling of 681010 in words is "six hundred eighty-one thousand, ten".