681411 has 16 divisors (see below), whose sum is σ = 995328. Its totient is φ = 412800.

The previous prime is 681409. The next prime is 681419. The reversal of 681411 is 114186.

681411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 681411 - 2¹ = 681409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (681419) 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, 1366 + ... + 1796.

It is an arithmetic number, because the mean of its divisors is an integer number (62208).

2⁶⁸¹⁴¹¹ is an apocalyptic number.

681411 is a deficient number, since it is larger than the sum of its proper divisors (313917).

681411 is a wasteful number, since it uses less digits than its factorization.

681411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482.

The product of its digits is 192, while the sum is 21.

The square root of 681411 is about 825.4762261870. The cubic root of 681411 is about 87.9973742329.

Adding to 681411 its reverse (114186), we get a palindrome (795597).

The spelling of 681411 in words is "six hundred eighty-one thousand, four hundred eleven".