681033341 has 8 divisors (see below), whose sum is σ = 693553824. Its totient is φ = 668556720.

The previous prime is 681033319. The next prime is 681033371. The reversal of 681033341 is 143330186.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-681033341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681033371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21230 + ... + 42576.

It is an arithmetic number, because the mean of its divisors is an integer number (86694228).

Almost surely, 2^681033341 is an apocalyptic number.

681033341 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

681033341 is a deficient number, since it is larger than the sum of its proper divisors (12520483).

681033341 is a wasteful number, since it uses less digits than its factorization.

681033341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21931.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 681033341 is about 26096.6155085291. The cubic root of 681033341 is about 879.8111427538.

The spelling of 681033341 in words is "six hundred eighty-one million, thirty-three thousand, three hundred forty-one".