10280561 has 8 divisors (see below), whose sum is σ = 10900224. Its totient is φ = 9678960.

The previous prime is 10280551. The next prime is 10280591. The reversal of 10280561 is 16508201.

10280561 is digitally balanced in base 3, 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10280561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10280521) 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, 3335 + ... + 5628.

It is an arithmetic number, because the mean of its divisors is an integer number (1362528).

Almost surely, 2^10280561 is an apocalyptic number.

It is an amenable number.

10280561 is a deficient number, since it is larger than the sum of its proper divisors (619663).

10280561 is an equidigital number, since it uses as much as digits as its factorization.

10280561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 10280561 is about 3206.3313927291. The cubic root of 10280561 is about 217.4397490221.

Adding to 10280561 its reverse (16508201), we get a palindrome (26788762).

The spelling of 10280561 in words is "ten million, two hundred eighty thousand, five hundred sixty-one".