10210681 has 8 divisors (see below), whose sum is σ = 11264904. Its totient is φ = 9194880.

The previous prime is 10210667. The next prime is 10210691. The reversal of 10210681 is 18601201.

10210681 = 2259² + 2260².

10210681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1478656 + 8732025 = 1216^2 + 2955^2 .

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 10210681 - 2⁵ = 10210649 is a prime.

It is a super-2 number, since 2×10210681² = 208516012967522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10210601) 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, 9046 + ... + 10111.

It is an arithmetic number, because the mean of its divisors is an integer number (1408113).

Almost surely, 2^10210681 is an apocalyptic number.

10210681 is the 2260-th centered square number.

It is an amenable number.

10210681 is a deficient number, since it is larger than the sum of its proper divisors (1054223).

10210681 is a wasteful number, since it uses less digits than its factorization.

10210681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19211.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 10210681 is about 3195.4156224191. The cubic root of 10210681 is about 216.9459611878.

Adding to 10210681 its reverse (18601201), we get a palindrome (28811882).

The spelling of 10210681 in words is "ten million, two hundred ten thousand, six hundred eighty-one".