681153 has 8 divisors (see below), whose sum is σ = 990816. Its totient is φ = 412800.

The previous prime is 681151. The next prime is 681167. The reversal of 681153 is 351186.

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

It is not a de Polignac number, because 681153 - 2¹ = 681151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681151) 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, 10288 + ... + 10353.

It is an arithmetic number, because the mean of its divisors is an integer number (123852).

2⁶⁸¹¹⁵³ is an apocalyptic number.

It is an amenable number.

681153 is a deficient number, since it is larger than the sum of its proper divisors (309663).

681153 is a wasteful number, since it uses less digits than its factorization.

681153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20655.

The product of its digits is 720, while the sum is 24.

The square root of 681153 is about 825.3199379635. The cubic root of 681153 is about 87.9862667963.

It can be divided in two parts, 68 and 1153, that added together give a palindrome (1221).

The spelling of 681153 in words is "six hundred eighty-one thousand, one hundred fifty-three".