10565261 has 16 divisors (see below), whose sum is σ = 12439680. Its totient is φ = 8786880.

The previous prime is 10565231. The next prime is 10565267. The reversal of 10565261 is 16256501.

It is a cyclic number.

It is not a de Polignac number, because 10565261 - 2²² = 6370957 is a prime.

It is a super-2 number, since 2×10565261² = 223249479996242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10565261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10565267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46430 + ... + 46656.

It is an arithmetic number, because the mean of its divisors is an integer number (777480).

Almost surely, 2^10565261 is an apocalyptic number.

It is an amenable number.

10565261 is a deficient number, since it is larger than the sum of its proper divisors (1874419).

10565261 is a wasteful number, since it uses less digits than its factorization.

10565261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 10565261 is about 3250.4247414761. The cubic root of 10565261 is about 219.4286898456.

The spelling of 10565261 in words is "ten million, five hundred sixty-five thousand, two hundred sixty-one".