681282 has 24 divisors (see below), whose sum is σ = 1687296. Its totient is φ = 194616.

The previous prime is 681271. The next prime is 681293. The reversal of 681282 is 282186.

It is an interprime number because it is at equal distance from previous prime (681271) and next prime (681293).

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 681282.

It is an unprimeable number.

681282 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2578 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (70304).

2⁶⁸¹²⁸² is an apocalyptic number.

681282 is an abundant number, since it is smaller than the sum of its proper divisors (1006014).

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

681282 is a wasteful number, since it uses less digits than its factorization.

681282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422 (or 5419 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 681282 is about 825.3980857744. The cubic root of 681282 is about 87.9918208652.

The spelling of 681282 in words is "six hundred eighty-one thousand, two hundred eighty-two".