10682809 has 2 divisors, whose sum is σ = 10682810. Its totient is φ = 10682808.

The previous prime is 10682779. The next prime is 10682827. The reversal of 10682809 is 90828601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6017209 + 4665600 = 2453^2 + 2160^2 .

It is an emirp because it is prime and its reverse (90828601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10682809 - 2¹³ = 10674617 is a prime.

It is a super-2 number, since 2×10682809² = 228244816260962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10682209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5341404 + 5341405.

It is an arithmetic number, because the mean of its divisors is an integer number (5341405).

Almost surely, 2^10682809 is an apocalyptic number.

It is an amenable number.

10682809 is a deficient number, since it is larger than the sum of its proper divisors (1).

10682809 is an equidigital number, since it uses as much as digits as its factorization.

10682809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 10682809 is about 3268.4566694390. The cubic root of 10682809 is about 220.2394706459.

The spelling of 10682809 in words is "ten million, six hundred eighty-two thousand, eight hundred nine".