10686541 has 2 divisors, whose sum is σ = 10686542. Its totient is φ = 10686540.

The previous prime is 10686539. The next prime is 10686581. The reversal of 10686541 is 14568601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10426441 + 260100 = 3229^2 + 510^2 .

It is an emirp because it is prime and its reverse (14568601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10686541 - 2¹ = 10686539 is a prime.

It is a super-2 number, since 2×10686541² = 228404317089362, which contains 22 as substring.

Together with 10686539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10686581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5343270 + 5343271.

It is an arithmetic number, because the mean of its divisors is an integer number (5343271).

Almost surely, 2^10686541 is an apocalyptic number.

It is an amenable number.

10686541 is a deficient number, since it is larger than the sum of its proper divisors (1).

10686541 is an equidigital number, since it uses as much as digits as its factorization.

10686541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10686541 is about 3269.0275312392. The cubic root of 10686541 is about 220.2651142761.

The spelling of 10686541 in words is "ten million, six hundred eighty-six thousand, five hundred forty-one".