10566749 has 2 divisors, whose sum is σ = 10566750. Its totient is φ = 10566748.

The previous prime is 10566739. The next prime is 10566757. The reversal of 10566749 is 94766501.

10566749 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 can be written as a sum of positive squares in only one way, i.e., 5359225 + 5207524 = 2315^2 + 2282^2 .

It is an emirp because it is prime and its reverse (94766501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10566749 - 2¹² = 10562653 is a prime.

It is a super-2 number, since 2×10566749² = 223312368858002, which contains 22 as substring.

It is equal to p₆₉₉₇₅₂ and since 10566749 and 699752 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10566709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5283374 + 5283375.

It is an arithmetic number, because the mean of its divisors is an integer number (5283375).

Almost surely, 2^10566749 is an apocalyptic number.

It is an amenable number.

10566749 is a deficient number, since it is larger than the sum of its proper divisors (1).

10566749 is an equidigital number, since it uses as much as digits as its factorization.

10566749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 10566749 is about 3250.6536265804. The cubic root of 10566749 is about 219.4389907289.

The spelling of 10566749 in words is "ten million, five hundred sixty-six thousand, seven hundred forty-nine".