10685617 has 4 divisors (see below), whose sum is σ = 10795876. Its totient is φ = 10575360.

The previous prime is 10685611. The next prime is 10685621. The reversal of 10685617 is 71658601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 9006001 = 1296^2 + 3001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10685617 is a prime.

It is a super-2 number, since 2×10685617² = 228364821341378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10685611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54984 + ... + 55177.

It is an arithmetic number, because the mean of its divisors is an integer number (2698969).

Almost surely, 2^10685617 is an apocalyptic number.

It is an amenable number.

10685617 is a deficient number, since it is larger than the sum of its proper divisors (110259).

10685617 is an equidigital number, since it uses as much as digits as its factorization.

10685617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110258.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 10685617 is about 3268.8862017513. The cubic root of 10685617 is about 220.2587657662.

The spelling of 10685617 in words is "ten million, six hundred eighty-five thousand, six hundred seventeen".