10565645 has 4 divisors (see below), whose sum is σ = 12678780. Its totient is φ = 8452512.

The previous prime is 10565641. The next prime is 10565663. The reversal of 10565645 is 54656501.

10565645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1408969 + 9156676 = 1187^2 + 3026^2 .

It is a cyclic number.

It is not a de Polignac number, because 10565645 - 2² = 10565641 is a prime.

It is a super-3 number, since 3×10565645³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10565641) 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, 1056560 + ... + 1056569.

It is an arithmetic number, because the mean of its divisors is an integer number (3169695).

Almost surely, 2^10565645 is an apocalyptic number.

It is an amenable number.

10565645 is a deficient number, since it is larger than the sum of its proper divisors (2113135).

10565645 is an equidigital number, since it uses as much as digits as its factorization.

10565645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113134.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 10565645 is about 3250.4838101427. The cubic root of 10565645 is about 219.4313482307.

The spelling of 10565645 in words is "ten million, five hundred sixty-five thousand, six hundred forty-five".