681095 has 8 divisors (see below), whose sum is σ = 822960. Its totient is φ = 541120.

The previous prime is 681091. The next prime is 681113. The reversal of 681095 is 590186.

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

It is not a de Polignac number, because 681095 - 2² = 681091 is a prime.

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 681095.

It is not an unprimeable number, because it can be changed into a prime (681091) 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, 515 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (102870).

2⁶⁸¹⁰⁹⁵ is an apocalyptic number.

681095 is a deficient number, since it is larger than the sum of its proper divisors (141865).

681095 is a wasteful number, since it uses less digits than its factorization.

681095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 681095 is about 825.2847993269. The cubic root of 681095 is about 87.9837693896.

Subtracting from 681095 its reverse (590186), we obtain a palindrome (90909).

The spelling of 681095 in words is "six hundred eighty-one thousand, ninety-five".