10565641 has 2 divisors, whose sum is σ = 10565642. Its totient is φ = 10565640.

The previous prime is 10565623. The next prime is 10565663. The reversal of 10565641 is 14656501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5900041 + 4665600 = 2429^2 + 2160^2 .

It is an emirp because it is prime and its reverse (14656501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10565641 is a prime.

It is a super-2 number, since 2×10565641² = 223265539481762, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (10565341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5282820 + 5282821.

It is an arithmetic number, because the mean of its divisors is an integer number (5282821).

Almost surely, 2^10565641 is an apocalyptic number.

It is an amenable number.

10565641 is a deficient number, since it is larger than the sum of its proper divisors (1).

10565641 is an equidigital number, since it uses as much as digits as its factorization.

10565641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 10565641 is about 3250.4831948497. The cubic root of 10565641 is about 219.4313205395.

The spelling of 10565641 in words is "ten million, five hundred sixty-five thousand, six hundred forty-one".