10065561 has 8 divisors (see below), whose sum is σ = 14640864. Its totient is φ = 6100320.

The previous prime is 10065557. The next prime is 10065563. The reversal of 10065561 is 16556001.

10065561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10065561 - 2² = 10065557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10065563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152476 + ... + 152541.

It is an arithmetic number, because the mean of its divisors is an integer number (1830108).

Almost surely, 2^10065561 is an apocalyptic number.

10065561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10065561 is a deficient number, since it is larger than the sum of its proper divisors (4575303).

10065561 is a wasteful number, since it uses less digits than its factorization.

10065561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305031.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 10065561 is about 3172.6268296161. The cubic root of 10065561 is about 215.9132667894.

It can be divided in two parts, 10065 and 561, that multiplied together give a palindrome (5646465).

The spelling of 10065561 in words is "ten million, sixty-five thousand, five hundred sixty-one".