681302 has 8 divisors (see below), whose sum is σ = 1075800. Its totient is φ = 322704.

The previous prime is 681293. The next prime is 681311. The reversal of 681302 is 203186.

681302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (681293) and next prime (681311).

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

It is a congruent number.

It is an unprimeable number.

681302 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 3 ways as a sum of consecutive naturals, for example, 8927 + ... + 9002.

It is an arithmetic number, because the mean of its divisors is an integer number (134475).

2⁶⁸¹³⁰² is an apocalyptic number.

681302 is a deficient number, since it is larger than the sum of its proper divisors (394498).

681302 is a wasteful number, since it uses less digits than its factorization.

681302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17950.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 681302 is about 825.4102010516. The cubic root of 681302 is about 87.9926818983.

Adding to 681302 its reverse (203186), we get a palindrome (884488).

The spelling of 681302 in words is "six hundred eighty-one thousand, three hundred two".