10285621 has 4 divisors (see below), whose sum is σ = 10504512. Its totient is φ = 10066732.

The previous prime is 10285607. The next prime is 10285651. The reversal of 10285621 is 12658201.

10285621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12658201 = 227 ⋅55763.

It is a cyclic number.

It is not a de Polignac number, because 10285621 - 2⁹ = 10285109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10285651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109375 + ... + 109468.

It is an arithmetic number, because the mean of its divisors is an integer number (2626128).

Almost surely, 2^10285621 is an apocalyptic number.

It is an amenable number.

10285621 is a deficient number, since it is larger than the sum of its proper divisors (218891).

10285621 is an equidigital number, since it uses as much as digits as its factorization.

10285621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218890.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 10285621 is about 3207.1203594502. The cubic root of 10285621 is about 217.4754171362.

The spelling of 10285621 in words is "ten million, two hundred eighty-five thousand, six hundred twenty-one".