10566539 has 2 divisors, whose sum is σ = 10566540. Its totient is φ = 10566538.

The previous prime is 10566533. The next prime is 10566541. The reversal of 10566539 is 93566501.

10566539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10566539 is a prime.

It is a super-2 number, since 2×10566539² = 223303492877042, which contains 22 as substring.

Together with 10566541, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10566499 and 10566508.

It is not a weakly prime, because it can be changed into another prime (10566533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5283269 + 5283270.

It is an arithmetic number, because the mean of its divisors is an integer number (5283270).

Almost surely, 2^10566539 is an apocalyptic number.

10566539 is a deficient number, since it is larger than the sum of its proper divisors (1).

10566539 is an equidigital number, since it uses as much as digits as its factorization.

10566539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 10566539 is about 3250.6213252238. The cubic root of 10566539 is about 219.4375370339.

The spelling of 10566539 in words is "ten million, five hundred sixty-six thousand, five hundred thirty-nine".