681883 has 2 divisors, whose sum is σ = 681884. Its totient is φ = 681882.

The previous prime is 681841. The next prime is 681899. The reversal of 681883 is 388186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 681883 - 2⁹ = 681371 is a prime.

It is not a weakly prime, because it can be changed into another prime (681823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340941 + 340942.

It is an arithmetic number, because the mean of its divisors is an integer number (340942).

2⁶⁸¹⁸⁸³ is an apocalyptic number.

681883 is a deficient number, since it is larger than the sum of its proper divisors (1).

681883 is an equidigital number, since it uses as much as digits as its factorization.

681883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 34.

The square root of 681883 is about 825.7620722702. The cubic root of 681883 is about 88.0176875604.

The spelling of 681883 in words is "six hundred eighty-one thousand, eight hundred eighty-three".