681174053 has 8 divisors (see below), whose sum is σ = 778679808. Its totient is φ = 583717104.

The previous prime is 681174031. The next prime is 681174079. The reversal of 681174053 is 350471186.

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

It is a cyclic number.

It is not a de Polignac number, because 681174053 - 2⁸ = 681173797 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 (681174083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25475 + ... + 44847.

It is an arithmetic number, because the mean of its divisors is an integer number (97334976).

Almost surely, 2^681174053 is an apocalyptic number.

It is an amenable number.

681174053 is a deficient number, since it is larger than the sum of its proper divisors (97505755).

681174053 is a wasteful number, since it uses less digits than its factorization.

681174053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24403.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 681174053 is about 26099.3113510682. The cubic root of 681174053 is about 879.8717327684.

The spelling of 681174053 in words is "six hundred eighty-one million, one hundred seventy-four thousand, fifty-three".