10285561 has 16 divisors (see below), whose sum is σ = 12797568. Its totient is φ = 8121600.

The previous prime is 10285559. The next prime is 10285571. The reversal of 10285561 is 16558201.

It is a cyclic number.

It is not a de Polignac number, because 10285561 - 2¹ = 10285559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10285571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (799848).

Almost surely, 2^10285561 is an apocalyptic number.

10285561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10285561 is a deficient number, since it is larger than the sum of its proper divisors (2512007).

10285561 is a wasteful number, since it uses less digits than its factorization.

10285561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 10285561 is about 3207.1110052507. Note that the first 3 decimals coincide. The cubic root of 10285561 is about 217.4749942627.

The spelling of 10285561 in words is "ten million, two hundred eighty-five thousand, five hundred sixty-one".