681283 has 8 divisors (see below), whose sum is σ = 748800. Its totient is φ = 616968.

The previous prime is 681271. The next prime is 681293. The reversal of 681283 is 382186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 681283 - 2⁵ = 681251 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (681253) 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, 343 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (93600).

2⁶⁸¹²⁸³ is an apocalyptic number.

681283 is a deficient number, since it is larger than the sum of its proper divisors (67517).

681283 is a wasteful number, since it uses less digits than its factorization.

681283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its digits is 2304, while the sum is 28.

The square root of 681283 is about 825.3986915425. The cubic root of 681283 is about 87.9918639172.

The spelling of 681283 in words is "six hundred eighty-one thousand, two hundred eighty-three".